Question

This week Kyara worked x + 4 hours. She is paid x - 4 dollar per hour. Write a polynomial for the amount that Kyara earned this week . Then calculate her pay if x = 12.

Answer 1

Polynomial equation is x² - 16

Her pay if x = 12 is $128

Explanation:

This week, Kyara worked x + 4 hours

She is paid x - 4 dollars per hour

She earned (x + 4)(x - 4) = x² - 16 dollars this week

Her pay if x - 12 is;

12² - 16 = $128