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Which statement best describes how to determine whether f(x) = 9 – 4x^2 is an odd function?

Determine whether 9 – 4(–x)^2 is equivalent to 9 – 4x^2.

Determine whether 9 – 4(–x^2) is equivalent to 9 + 4x^2.
Determine whether 9 – 4(–x)^2 is equivalent to –(9 – 4x^2).

Determine whether 9 – 4(–x^2) is equivalent to –(9 + 4x^2).

User XMERLION
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2 Answers

3 votes

Answer:

Its CCCCCCCCCCCCCCC aka 3 aka third option

on dredful edge im going nuts

Explanation:

User Wissam Youssef
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2 votes
For odd functions there is a rule:
f(x) = -f(-x) or in other words
-f(x) = f(-x)

9 - 4x^2 = -(9-4(-x)^2) or in other words
-(9-4x^2) = 9 - 4(-x)^2

Answer is third option.

User Sashaeve
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