Question

Tell whether the equation represent a linear function 0.3x+y=7

Answer 1

This is a linear function:
y=mx+b
m=slope
b=y-intercept 

0.3x+y=7
y=-0.3x+7
 

In this function:
m=-0.3
b=7

Therefore, this equation represent a linear function. (y=mx+b)