Jose opened a retirement account earning

2.5%

interest per year, compounded monthly. He deposited

$50

each month. Assume that no other deposits or withdrawals were made.

Answer the following, writing your answers to the nearest dollar.

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99