f(x) = 2(x+8)
replace f(x) with 12 and then solve for x:
12 = 2(x +8)
Use the distributive Property on the right side:
12 = 2x +16
Subtract 16 from each side:
-4 - 2x
Divide both sides by 2:
x = -4 / 2
x = -2
Answer: 653.12 cu in
Step-by-step explanation: had it on a test
Check the picture below.
make sure your calculator is in Degree mode.
Answer:
..........the answer is 7,806