drewefielder8936 drewefielder8936

18-04-2019
Mathematics

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Calculate the average rate of change of f(x) = 3x2 + 2x + 1 for 2 ? x ? 4. A) 10 B) 20 C) 37 D) 40

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katynicolep6rybv katynicolep6rybv

18-04-2019

B) 20

F(x)=3x2 + 2x + 1 for 2 ?x? 4

F(2)= 17

F(4) = 57

"Triangle sign tiny triangle" f(x)/ "the tiny triangle"x

=57-17/4-2

40/2

Ans: 20

B

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