Question

The function f(x) varies inversely with x and f(x)= -10 when x = 5

What is the inverse variation equation?

A. f(x) = -2/x
B. f(x) = - 50/x
C. f(x) = - 0.5/x
D. f(x) = -5/x

Answer 1

f(x)= -10
f(5)=-10
f=-10 divided by 5
f=-2