Answer:
Option A. 
Step-by-step explanation:
Point to remember while solving the question of function,

Here, 'f' is the parent function and
is the inverse of the function 'f'.
So for the given function,
f(x) = 2x - 2

For x = -2

Therefore, Option A will be the correct answer.
It should be 78.54.
Double check that.
Formula: V=πr2h/3
r2 is R squared
3 feet from each end of the mantel
Answer:
B: 378 cm^2
Step-by-step explanation:
22 * 24 = 528
528 - (10 * 15) = 378