See attachment.
______________________________
For every hour worked (x), Frank can mow 3 lawns -> 3x
Equation used:
y = 3x
Input a number x to get an output y. See attachment. Plug in the points on a chart and connect the dots.
______________________
Graph y = 1.5x
Input a number for x to get an output y. See attachment. Plug in the points on a chart and connect the dots.