Answer:
Try looking on quizlet I've found alot of my answers on there also!
Answer:
A,C,E
Step-by-step explanation:
Answer:
a. 135 doorknobs
b. 
Step-by-step explanation:
The price-demand function is:

a. At a price of $36.30, the number of doorknobs sold, 'x' is:

Rounding it down to the nearest whole unit, the company can sell 135 doorknobs at $36.30
b. Revenue is the product of the price, p(x), by the demand, x. Therefore, the Revenue function is:

Answer:
measures the line for it's steepness
To find the average speed in miles per hour, you can find the number of miles Khalil traveled per minute and then multiply that by 60 to convert it to hours.
54 miles/45 minutes = 1.2 miles per minute
1.2 x 60 = 72 miles per hour.
Khalil traveled at an average speed of 72 miles per hour.