Question

Given that y varies directly with x, write the linear function relating the two variables if y= 4 when x =36

Answer 1

y is proportional to x
thus u can express it as
y=kx where k is a constant
Substitute y=4 and x= 36 to find out what k is

4 = k(36)
k = 1/9

Linear function:
y= x/9