PLZ SOMEONE HELP ME WITH THIS I'LL GIVE U FREE POINTS :The function f(x) = 2x2 + x + 5 represents the number, in tens, of jars of pickles, Denise expects to sell x weeks after launching her online store. What is the average rate of change over the interval 1 ≤ x ≤ 2?

7

Step-by-step explanation:

f(2) = 2(2)² + 2 + 5 = 15

f(1) = 2(1)² + 1 + 5 = 8

Average rate of change:

[f(2) - f(1)]/(2 - 1)

(15-8)/1

7

7

Step-by-step explanation:

f(2) = 2(2)² + 2 + 5 = 15

f(1) = 2(1)² + 1 + 5 = 8

Average rate of change:

[f(2) - f(1)]/(2 - 1)

(15-8)/1 = 7

Step-by-step explanation:

the answer is c just got it on ed

step-by-step explanation: