Answer:
the answer is x=4!!!!!!!
C
If x = o then f(0) = 4(2) * 0 = 0
If f(x) = 4(2) 0 - 13
then f(x) = -13 at x = 0
r = 8 units
Step-by-step explanation:
The circumference is calculated using . Substitute C = 50.24 units. Solve for the radius.