Question

Study question:
The function f(x) varies directly wth x and f(x)=90 when x=30. What is f(x) when x=6

Answer 1

The function f(x) varies directly with x and f(x) = 90 when x = 30.
What is f(x) when x = 6?
Answer choice:
D] 18

Answer 2

How did you get that

Answer 3

oh and can you help again?:)

Answer 4

@emmymay ON WHAT??