Question

Question 3 of 5 If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(2).
(Points : 1)
a. 192
b. 72
c.32
d.24
which one, hurry.
I just need the answer, I know how to do it, its just im stuck on this one. Please and thank you

Answer 1

Someone help please

Answer 2

is that x^2 or x2

Answer 3

x2

Answer 4

wait hold on let me check again

Answer 5

x^2

Answer 6

well we have
f(x)= c * x^2
so f(4)= c* 4^2 = 96
then we got c=6
f(2)=6x2^2=24

Answer 7

so its D

Answer 8

thank you so much (:

Answer 9

so welcome