Janelle and her best friend carmen go shopping. the function p(t) = 5x4 − 3x3 + 2x2 + 24 represents how much money each girl spent based on the number of hours they were shopping. if janelle and carmen each go shopping for 2 hours, how much money did they spend together?

$176

Step-by-step explanation:

The function represents how much money each girl spent based on the number of hours they were shopping.

Janelle goes shopping for 2 hours, then x=2 and

Thus, Janelle spent $88.

Carmen goes shopping for 2 hours, then x=2 and

Thus, Carmen spent $88 too.

Together they spent

$88+$88=$176

x = -2

y = 848

step-by-step explanation:

plug in the numbers

if x decreases by 4 then y increases by 10

step-by-step explanation: