I am pretty sure b. is right. This is because 87 is not prime
Answer:

Step-by-step explanation:
The given function is

To find F(2), we substitute t=2 into the function.
This means that wherever we see t, we put 2

We multiply the exponent in the denominator to get:

We evaluate to get:

We now cancel the common factors to get:

Answer:
h(f(x))=3x-4
Step-by-step explanation:
You combine both F(X) and H(x).
f(x)=x-7 , therefore it is f(x)=1x-7
You add 2x with 1x to get 3x
and 7-3 is -4.
h(f(x))=3x-4
Answer:
The answer is -3x.
Step-by-step explanation:
Combine like terms.
Hope this helps :)