Question

Question #f2c41

Answer 1

b. The y-intercept on this graoh represents the base income, how much is made with 0 catalogues delivered.

c. `"Gradient"=(Deltay)/(Deltax)=(y_2-y_1)/(x_2-x_1)=(45-15)/(60-0)=30/60=1/2`

The gradient represents the amount if income earned for a change in x, so for each magazine sold, the income increases by $0.50.