F(x)=2x^2+3x : evaluate the function, find f(-2)

F(0) = 2

F(-1) = 7

F(2) = 4

Explanation:

Notice where the x's are in the function F(x)

For F(0) you sub in 0 wherever there is an x, ie:

F(0) = 2(0)2−3(0)+2 = 2

The same is applied for F(-1) and F(2)

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4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

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step-by-step