Answer:

Step-by-step explanation:
In this question, you would solve the for f(x) by plugging in the given value to x.
Solve:

Distribute the exponent to the numerator and denominator.

Simplify.

Use the
rule for the numerator:

Your final answer would be 
I believe that the answer is B
Answer:
Option one is correct
Step-by-step explanation:
Hope it's helpful... :)
Step-by-step explanation:
(-3)^5 = 1/x
x = 1 ÷ (-3)^5
x = 1/ -243
x = -1/243
Positive because it equals 7y