Question

The function f(x) varies directly with x and f(x)=56.
Evaluate f(x) when x=2 ..

A. 4
B. 7
C. 8
D. 14

Answer 1

@Serenity74

Answer 2

Ensure that you've copied this probelm down correctly.
"The function f(x) varies directly with x and f(x)=56."
For which x value does f(x)=56?
Note that the general equation for direct variation is y=kx, and that it's your job to find k (first) and then f(n) for n=2.