algebra 1
posted by name .
f(x) = 10(2)^x
Is this function's rate of change over the interval 1 ≤ x ≤ 2 greater or less than that of the linear function g(x)=10x + 7?

What is this problem asking me to do and how do I do it?

algebra 1 
Reiny
I would interpret it this way,
Average rate of change for first function:
f(1) = 10(1/2) = 5
f(2) = 10(2^2) = 40
avg rate of change = (40  5)/(2(1)) = 35/3 or appr 11.666...
rate of change of second function y = 10x+7 is constant at 10
so what do you think?
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