1.
For the exponential function y = 2x :
a) what is the y-intercept?
Choose:
 (0,0) (0,-1) (0,1) (0,2)
b) what is the the domain?
Choose:
 (0,∞) (-∞,0) (-∞,∞) (1,∞)
c) what is the range?
Choose:
 (-∞,0) (-∞,∞) (1,∞) (0,∞)

d)
what is the asymptote?
Choose:
 y = 1 y = 0 x = 1 x = 0

2.
Which of the following statements is NOT true regarding the exponential function y = 2x + 4 ?
Choose:
 The domain is all Real numbers. The average rate of change is constant. The y-intercept is (0,5). The asymptote is y = 4.

3.
Which graph represents the function y = 3x+ 2 ?

Choose:

4.
Which of the following tables displays an exponential function?
Choose:

5.

Given a linear function: y1 = 3x
Given an exponential function: y2 = 3x

a)
Which function has a constant rate of change?
 Choose: linear exponential both

b)
Which function has an end behavior y → +∞ as x → +∞ ?
 Choose: linear exponential both

c)
Which function increases at a faster rate?
 Choose: linear exponential both

d)
Which function has a y-intercept at (0,0)?
 Choose: linear exponential both

6.
Two functions are shown in the tables at the right.
a) Which of the following is true?
Choose:
 f (x) is linear and g(x) is exponential f (x) is exponential and g(x) is linear f (x) and g(x) are both linear f (x) and g(x) are both exponential
 x f(x) 1 4 2 16 3 64 4 256 5 1024

b) Which function has a common difference (equal differences over equal intervals)?
 Choose: f (x) g (x)

c)
Which function can be modeled by the equation y = 4x ?
 Choose: f (x) g (x)
 x g(x) 1 66 2 68 3 70 4 72 5 74

7.
Which choice is an exponential function of the form f (x) = abx that can be used to represent the data displayed in the chart at the right?
Choose:
 f (x) = 2x f (x) = 3x f (x) = 3•2x f (x) = 2•3x
 x f(x) 0 2 1 6 3 54

8.
Consider the graph of y = 4x.

a) What happens to y as x gets smaller?
Choose:
 y approaches 1 y approaches 2 y approaches 0 y approaches 4

b) Will the value of y ever equal zero?
Choose:
 yes, at x = 0 yes, at x = -∞ yes, at x = -4 no

c)
What is the domain of function y ?
Choose:
 All Reals y > 0 y > 0 y > 4