Question

A company performed power tests on a set of batteries of the same type. The company determined that the equation y = 100 - 8.9x, where x is the number of hours of use and y is the percent of battery power remaining, models the battery life. Based on the equation, what is the best prediction of the percent of remaining power for a battery after 11 hours of use? *
A.1.2%
B.2.1%
C.10%
D.97.9%

Answer 1

Answer: 2.1%

Step-by-step explanation:

y = 100 - 8.9 (11)

y = 100 - 97.9

y = 2.1

Answer 2

Answer:

B) 2.1

Step-by-step explanation: