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The graph of a function f is shown below. Use the zeros and the turning points of the graph to find the rule for f.

A.
f(x) = x4 − 8x2 + 16

B.f(x) = −x4 + 5x2 − 4

C.f(x) = x3 + x2 − 4x + 4

D.f(x) = x4 − 5x2 + 4

The graph of a function f is shown below Use the zeros and the turning points of the graph to find the rule for f A fx x4 8x2 16 Bfx x4 5x2 4 Cfx x3 x2 4x 4 Dfx class=

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Answer:

Answer is D

Step-by-step explanation:

Using the zeros of the graph we should have y=0 when we put x=-2, x=-1, x=1, x=2

Only the function on option D works, so the answer is D

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