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what is the rate of change of f(x)=x^3-7x+3 from -2,4

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What is the rate of change of f(x)=x^3-7x+3 From -2 to 4

average-rate-of-change

asked Nov 27, 2013 in ALGEBRA 1 by abstain12 Apprentice

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1 Answer

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f(x) = x^3-7x+3

f(-2) = -8+14+3 = 9

f(4) = 64-28+3 = 39

Average rate of change = f(4)-f(-2)/4+2

= (39-9)/6

= 30/6

= 5

answered Jan 7, 2014 by david Expert

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