Question 1

Find the value of y when x = -2 in the function y = 2^x.

Accepted Answer

1/8

Answer

1/4

Answer

-1/4

Answer

-1/8

Question 2

Which of the following represents a table of values for y = 3^x?

Accepted Answer

x: -1, 0, 1, 2 → y: 1/3, 1, 3, 9

Answer

x: -1, 0, 1, 2 → y: 2, 4, 6, 8

Answer

x: -1, 0, 1, 2 → y: -3, 0, 3, 6

Answer

x: -1, 0, 1, 2 → y: -1, 0, 1, 2

Question 3

Which of the following is the domain of the function g(x) = 3^x?

Accepted Answer

Domain: set of all real numbers

Answer

Domain: x > 3

Answer

Domain: x = 0

Answer

Domain: x = 3

Question 4

Find the range of the function f(x) = 4^x.

Accepted Answer

Range: set of all positive real numbers

Answer

Range: x = 0

Answer

Range: x = 4

Answer

Range: x > 4

Question 5

Determine the domain and range of the function y = 2^x + 3 – 3.

Accepted Answer

Domain: R, Range: (-3, +∞)

Answer

Domain: R, Range: (3, +∞)

Answer

Domain: R, Range: (-3, -∞)

Answer

Domain: R, Range: (-∞, 3)

Question 6

Find the horizontal asymptote of the function y = 4^x.

Accepted Answer

y = 0

Answer

y = 4

Answer

y = -4

Answer

y = -1

Question 7

What is the y-intercept of the function y = 4^x?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 8

Which of the following is true about the function g(x) = 3^x + 1?

Accepted Answer

The y-intercept is 2.

Answer

The y-intercept is 4.

Answer

The y-intercept is 3.

Answer

The y-intercept is 1.

Question 9

If there are 50 bacteria now, how many will there be after 24 hours?

Accepted Answer

3,050

Answer

5,050

Answer

4,050

Answer

6,050

Question 10

Find the bacteria population 3 hours earlier (when current population = 50).

Accepted Answer

28.87

Answer

36.78

Answer

43.09

Answer

30

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