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Which represents a quadratic function? f(x) = −8x3 − 16x2 − 4x f (x) = three-quarters x 2 + 2x − 5 f(x) = StartFraction 4 Over x squared EndFraction minus StartFraction 2 Over x EndFraction + 1 f(x) =
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3 votes
Which represents a quadratic function?

f(x) = −8x3 − 16x2 − 4x

f (x) = three-quarters x 2 + 2x − 5

f(x) = StartFraction 4 Over x squared EndFraction minus StartFraction 2 Over x EndFraction + 1

f(x) = 0x2 − 9x + 7

User Baptiste
by
7.6k points

2 Answers

5 votes

Answer:

b

Explanation:

b

User Blagoh
by
7.6k points
3 votes

Answer:
f(x)=(3)/(4)x^2+2x-5

Explanation:

User Zionsof
by
8.3k points
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