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Mathematics 25 Online
OpenStudy (anonymous):

Determine if the following function is even, odd, or neither. (1 point) f(x) = -9x^4 + 5x + 3

OpenStudy (anonymous):

sorry it's 9x^4

OpenStudy (anonymous):

-9

OpenStudy (anonymous):

\[f(x)=9x^4+5x+3\]

rvc (rvc):

put x=-1 if then f(x)=-f(x) then it is odd f(x)=f(x) then it is even

OpenStudy (anonymous):

so then the equation would be\[f(x)=9(-1)^4+5(-1)+3\]?

OpenStudy (anonymous):

came out with 7 so then the equation is even

geerky42 (geerky42):

Just plug in \(-x\) for \(x\). If for \(f(-x)\), you get back to \(f(x)\), then it is even function. If you get \(-f(x)\), then it is odd. If neither, then it is neither. (duh)

geerky42 (geerky42):

So plug in -x and simplify, do you get f(x) or -f(x)?

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