198k views
3 votes
If f(x) = (-x)^3, what is f(-2)?

User Odinserj
by
5.6k points

2 Answers

6 votes
8....................
User Dothem
by
5.6k points
2 votes
Firstly, substitute the given value of x.


f(x) = ( - x)^(3) \\ f( - 2) = ( - ( - 2))^(3)
Next, distribute the negative sign. Like signs make a positive value.

( - ( - 2)) = 2
Lastly, solve the exponent.


2 ^(3) = 8
Therefore:

f( - 2) = 8

User Nominal Animal
by
5.6k points