The function f is defined by f(x)=5x^2. What is the value of f(7)?

1. A35
   A
2. B45
   B
3. C70
   C
4. D245
   D

x+5y=5
x-5y=7
The solution to the given system of equations is (x, y). What is the value of x?

1. A1.2
   A
2. B5
   B
3. C6
   C
4. D12
   D

Which expression is equivalent to 6x(x+3)?

1. A6x^2+3
   A
2. B6x^2+18x
   B
3. C7x^2+3
   C
4. D7x^2+9x
   D

The function f is defined by f(x)=3x^5. In the xy-plane, the graph of y=g(x) is the result of shifting the graph of y=f(x) up 9 units. Which equation defines the function g?

1. Ag(x)=3x^5+9
   A
2. Bg(x)=3x^5-9
   B
3. Cg(x)=3x^45
   C
4. Dg(x)=27x^5
   D

For the linear function f, the graph of y=f(x) in the xy-plane has a slope of 69 and f(0)=3. Which equation defines f?

1. Af(x)=3x
   A
2. Bf(x)=3x+3
   B
3. Cf(x)=69x
   C
4. Df(x)=69x+3
   D

5% of w is 741.41. What is the value of w?

1. A778.481
   A
2. B3,707.05
   B
3. C14,828.2
   C
4. D70,433.95
   D

W(x)=4x+80
The function W gives the total time, in minutes, it takes for a gardener to water x plants and mow the grass. According to the function, how many minutes does it take the gardener to mow the grass?

19=x+y
x-y=9
The solution to the given system of equations is (x, y). What is the value of x?

1. A9
   A
2. B10
   B
3. C14
   C
4. D19
   D

x^2-16x+y^2-10y-55=0
In the xy-plane, the graph of the given equation is a circle. If this circle is inscribed in a square, what is the perimeter of the square?

1. A24
   A
2. B48
   B
3. C96
   C
4. D220
   D

If 5(3x+6)=3(3x+6)+78, what is the value of3x+6?

1. A78
   A
2. B39
   B
3. C33
   C
4. D11
   D

If f(x)=x+5 and g(x)=5x, what is the value of 7f(4)-g(4)?

1. A-11
   A
2. B13
   B
3. C35
   C
4. D43
   D

C(t)=240(53/52)^(t-15)+7
The function C gives the estimated number of cephalopods, a class of marine animal, in a certain area, where t is the number of months since a study began. How many months after the study began was the number of cephalopods in the area estimated to be 247?

An object moves at a speed of 3/17 feet per second. What is this speed in yards per second? (3 feet = 1 yard)

The current value of a house is $174,000, and this value increases by 2.4% each year from the value of the previous year. Which function f gives the value, in dollars, of the house x years from now?

1. Af(x)=174,000(0.024)^x
   A
2. Bf(x)=174,000(0.24)^x
   B
3. Cf(x)=174,000(1.024)^x
   C
4. Df(x)=174,000(1.24)^x
   D

What is the value of sin 18π?

1. A0
   A
2. B1/2
   B
3. C(√2)/2
   C
4. D1
   D

1/9x-3r/7y=34
One of the equations in a system of two linear equations is given, where r is a nonzero constant. The system has no solution. If the other equation in the system is graphed in the xy-plane, what is the slope of the graph?

1. A-27r/7
   A
2. B-27/7r
   B
3. C7r/27
   C
4. D7/27r
   D

A machine makes 8-inch, 9-inch, and 3-inch parts. During a certain day, the number of 8-inch parts that the machine makes is 4 times the number n of 9-inch parts, and the number of 3-inch parts is 30. During this day, the machine makes 100 parts total. Which equation represents this situation?

1. A8(4n)+9n+3(30)=100
   A
2. B8n+9n+3n=100
   B
3. C4n+30=100
   C
4. D5n+30=100
   D

The ratio of the base to the height of a triangle is 1 to 8. The base of the triangle is 104 centimeters. What is the height, in centimeters, of the triangle?

1. A13
   A
2. B52
   B
3. C104
   C
4. D832
   D

q(x)=15(3^x)
Which table gives three values of x and their corresponding values of q(x) for function q?

1. A
   
   A
2. B
   
   B
3. C
   
   C
4. D
   
   D

A plant nursery classifies a perennial flower species as tall if its typical height when fully grown is more than 100 centimeters. Each of the following inequalities represents the possible heights h, in centimeters, for a specific perennial flower species when fully grown. Which inequality represents the possible heights h, in centimeters, for a tall perennial flower species?

1. A14<h<95
   A
2. B41<h<93
   B
3. C78<h<100
   C
4. D107<h<160
   D

A linear function f gives a company's profit, in dollars, for selling x items. The company's profit is $170 when it sells 4 items, and its profit is $590 when it sells 10 items. Which equation defines f?

1. Af(x)=170x-590
   A
2. Bf(x)=59x
   B
3. Cf(x)=70x-10x
   C
4. Df(x)=70x-110
   D

Each year, the value of an investment increases by 0.69% of its value the previous year. Which of the following functions best models how the value of the investment changes over time?

1. ADecreasing exponential
   A
2. BDecreasing linear
   B
3. CIncreasing exponential
   C
4. DIncreasing linear
   D

Line p in the xy-plane is defined by y=x+8/3 and passes through the points (a, 0) and (0, b), where a and b are constants. What is the value of a?

25x/(x^2-25)=x/(x-5)+20/(x+5)
What is the positive solution to the given equation?

How many solutions does the equation7(x+12)+5x=12(x+7) have?

1. AExactly one
   A
2. BExactly two
   B
3. CInfinitely many
   C
4. DZero
   D

The manager of a gym selected a sample of 142 members at random to estimate the percentage of the gym's members that would continue to pay for a membership if the price increased. From the survey, the manager estimates that 89% of the gym's members would continue to pay for a membership if the price increased, with an associated margin of error of 5.15%. If the survey is repeated with a random sample of 284 members and the results are calculated in the same way, which of the following will be the most likely effect of using the larger random sample compared to the smaller random sample?

1. AThe margin of error will be lower.
   A
2. BThe margin of error will be higher.
   B
3. CThe estimate of the percentage of the gym's members that would continue to pay for a membership if the price increased will be lower.
   C
4. DThe estimate of the percentage of the gym's members that would continue to pay for a membership if the price increased will be higher.
   D

The function f is defined by f(x)=-9x+9. What is the y-coordinate of the y-intercept of the graph of y=f(x) in the xy-plane?

(x+k)^2+37=37
In the given equation, k is a constant. How many distinct real solutions does this equation have?

1. AZero
   A
2. BExactly one
   B
3. CExactly two
   C
4. DInfinitely many
   D

For a certain circuit, its power P, in watts, current C, in amperes; voltage V, in volts; and resistance R, in ohms, are related as (CV^2)/P=√PR, where P, C, V, and R are positive. When R=18, which equation correctly expresses P in terms of C and V?

1. AP=(CV^2)/(√18P)
   A
2. BP=(CV^2)/(√18)
   B
3. CP=3√(C^2V^4)/18
   C
4. DP=3√18/(C^2V^4)
   D

y<-5x-21
y>-3x-8
For which of the following tables are all the values of x and their corresponding values of y solutions to the given system of inequalities?

1. A
   
   A
2. B
   
   B
3. C
   
   C
4. D
   
   D

A circle is inscribed in a square such that the circumference of the circle touches the midpoint of each side of the square. The length of the diagonal of the square is 228 units. What is the area, in square units, of the circle?

1. A6,498π
   A
2. B12,996π
   B
3. C25,992π
   C
4. D51,984π
   D

The expression kx represents the result of decreasing a positive force, x, acting on an object by 0.34%. What is the value of k?

A polygon has exactly 87 sides. If the measure of each of the 87 interior angles of this polygon is (180p)°, what is the value of p?

The number of bacteria in a liquid medium doubles every hour. There are 66,000 bacteria in the liquid medium at the start of an observation. Which of the following represents the number of bacteria, y, in the liquid medium t hours after the start of the observation?

1. Ay=1/2(66,000)^t
   A
2. By=2(66,000)^t
   B
3. Cy=66,000(1/2)^t
   C
4. Dy=66,000(2)^t
   D

The function f(n)=7(20.44)^(n/4) gives each term of a sequence as a function of the term's position, n, in the sequence, where n is a whole number. The value of the term in position 14 is p% more than the value of the term in position 10. What is the value of p?

1. A20.44
   A
2. B44
   B
3. C1,944
   C
4. D2,044
   D

A right square pyramid has a total surface area of 28,160 square inches, and the combined surface area of the four lateral faces of this pyramid is 16,060 square inches. What is the height, in inches, of this pyramid?

1. A48
   A
2. B55
   B
3. C73
   C
4. D110
   D

The expression 6x^4+17x^2+7 can be rewritten as (3x^2+a)(2x^2+b), where a and b are positive integers, or as (3x^2+c)(2x^2+d), where c and d are positive nonintegers. What is the value of a+c?