In 1980, the first cd's hit the music stores. that year at a local music store 5,000 cd's were sold. each year after that, cd sales at that store increased constantly at a rate of 15,000 per year. write a linear function for the cd's sold, c, as a function of time, t.

at first year 5000 compact discs were sold.

and it increased at a rate of 15000 per year in the upcoming year .

we need to linear function which mean if we graph it will get a straight line.

which is in the form of y=mx+b

where y=f(t) which means functions represented in time.

where 15000 is the slope of the equation which is increasing at this rate.

and b is the y intercept which mean from 5000 sales has been increased.

so the linear equation is

c

step-by-step explanation:

c: y > - 1/6x + 1

step-by-step explanation:

dashed line - meaning this < or > also not equal

solid line - meaning this < or > also equal

your answer is c because y > means up & it's shaded up, but y < means down

hope this ! : )