Graphing exponential functions
1. if (-1, y) lies on the graph of y = 3^x+1, then y =
a) 0
b) 1/3
c) 1

2. if (x, 1/100) lies on the graph of y = 10^x, then x =
a) 2
b) -1/2
c) -2

3. if (-1, y) lies on the graph of y = 2^2x, then y =
a) -4
b) 1/4
c) 1

4. what is the relationship between the graphs of y = 2^x and y = 2^-x?
a) reflections over the x-axis
b) reflections over the y-axis
c) reflections over y = x

5. if (3, y) lies on the graph of y = -(2x), then y =
a) 1/8
b) -6
c) -8

6. which of the following equations is not exponential?
a) y = 1x
b) y = (1/2)x
c) y = -2x

7. if (-2, y) lies on the graph of y = 4^x, then y =
a) -16
b) 1/16
c) 16

8. if (-3, y) lies on the graph of y = 3^-x, then y =
a) -27
b) 1/27
c) 27

9. if (-3, y) lies on the graph of y = 3^x, then y =
a) 1/27
b) -1
c) -27

10. if (-3, y) lies on the graph of y = (1/2)^x, then y =
a) 8
b) 1/8
c) -8