I bought some apples for $2 a pound and some grapes for $3 a pound. I spent a total of $12 on the two types of fruit. Let x = the pounds of apples I bought and let y = the pounds of grapes I bought.

a) Write the equation in standard form.

b) Write the equation in slope-intercept form.

c) identify the slope. What does it mean in context?

d) identify the x and y-intercepts. What do they mean in context?

e) What is the domain and range?