Daisy reads 7 books in 42 weeks. Which graph models a relationship with the same unit rate?

What is the domain of the of the exponential function shown below?

Find the slope intercept form of (-3,6) and (3,-6)

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?