College Prep Math
6.1 & 6.2 Review
1. Use the calculator to evaluate ( 34  52 ) 4 . Round to the nearest thousandth.
2. Complete this definition of a negative integer exponent: b  n =
In problems 3-9, simplify the expression. Each variable can appear only once in your
final answer and your final answer cannot have a negative exponent.
mx 3
4 x 2
2x3 y4 3
3. ( 2 x 4 )
4. (r 2 st 3 )( s4 t ) 3
5. ( 1 ) 3
6. (
)
m
2x
3xy 2
7. ( 3r st ) (2 s t )
2
3 2
4
3
16 x 5 y 8 x 3 y 2 4
8.
(
)
x4 y7
8 xy
2 xy 2 y 4 2
9. (
)
3x 1 y
10) Find y when x =-2
1
y  3  ( ) x 1  5
4
11) Is the function increasing or decreasing
12) What is the domain of the function?
13) What is the range of the function?
In problems 10-14, consider the exponential function
14) What is the y-intercept of this function?