Answer:
B
Step-by-step explanation:
f(x) = sqrt(x) + 9
f(x) - 9=sqrt(x)
f^(-1)(x)=(x-9)^2 and it's domain is greater than 0
This is the answer
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Answer: 125
Step-by-step explanation:
5^3=5*5*5=125
Answer:

Step-by-step explanation:
Using the rule of exponents
=
, hence
f(- 2) =
=
= 
Answer:
b
Step-by-step explanation:
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