Answer:
This is the answer if the question is asking for surface area. If the question is asking for lateral area or base area the formula will be different..
-9
Step-by-step explanation:
You have to plug 8 into the formula for x. f(8) = -2(8)+7 = -16+7 = -9
The Solution.
The given equation is
Substituting 11 for x, we can get the value of y.
Hence, the value of y is 18.