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postnew [5]
3 years ago
9

What is the average rate of change of f(x) = 5x – 7 from x = -3 to x = 7?

Mathematics
1 answer:
hram777 [196]3 years ago
3 0

Answer:

f(x) = 5x - 7 \\ change = f(7) - f( - 3) \\  = ((5)(7) - 7) - ((5)( - 3) - 7) \\  = (35 - 7) - ( - 15 - 7) \\  = (28) - ( - 22) \\  = 50 \\ average \: change =  \frac{change}{2}  \\  =  \frac{50}{2}  \\  = 25

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<em>Hey there !!!!!</em>

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