Which of the following is a nonlinear function?
a.
sam's weekly pay increases by $50 every year stays at the same job.
b.
ronald has a car that depreciates in value by 11% every year.
c.
during a storm, a team of researchers calculates the rain is falling at a rate of 1.2 centimeters per hour.
d.
edith is a member of a magazine subscription program. she pays $11 for five magazines.