Introduction to Quadratic Functions Answers

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Which is a quadratic function?

f(x) = 2x + x + 3

f(x) = 0x2 – 4x + 7

f(x) = 5x2 – 4x + 5

f(x) = 3x3 + 2x + 2

a = [___]

Answer:

–203✔ 4

–2

The leading coefficient of the function is [___] .

Answer:

-2

00.5512.5

0.5

12.5

Find f(–2) for the function f(x) = 3x2 – 2x + 7.

−13

−1

–2–1/21/22

–2

–1/2

1/2

Evaluate the function f(x) = –2x2 – 3x + 5 for the input value –3.

−22

–4

Which is the rate of change for the interval between 2 and 6 on the x-axis?

–3

Option

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