Question

I am having trouble with the last two questions. I worked through finding the slope and y-intercept with a previous tutor, before we got disconnected.6. Express this equation as a function D of P and find its domain.7. How many shirts per month will be demanded if the price is $27?

Answer 1

Data:

`m=-(203)/(152)\approx-1.3355`
`b=(11227)/(152)\approx73.862`

Equation as a function of D of P

`D(P)=-1.3355\cdot P+73.862`

Answer (6):

• Domain

`(-\infty,+\infty)`

To know how many shirts per month will be demanded if the price is $27, we have to use P = $27:

`D(27)=-1.3355\cdot27+73.862\text{ }\approx37.80`

Answer (7): $37.80