Question

If f(x) varies directly with x and f(x) = 2 when x = 10, then what is the value of f(x) when x = 40?

200


320

8

45

Answer 1

@mathstudent55

Answer 2

whats 2 divided by 10. (i cant tell you the direct answer cause thats not allowed here, all i can do is help)

Answer 3

that's fine

Answer 4

ok so what is it?

Answer 5

2 divided by 10 would be .2

Answer 6

yes so whats 0.2(40) which means whats 0.2 times 40

Answer 7

that would be 8 ...

Answer 8

yes, thats it

Answer 9

ohhhh!!! that was easy thank you!!!

Answer 10

np, just tag me in any other posts like this if you need help

Answer 11

alright i will !!!! :)

Answer 12

ok