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Determine whether the function 
f(x)=7x^(3)+3x^(4)+4x is even, odd or neither.
neither
odd
even

Determine whether the function f(x)=7x3+3x4+4x f(x)=7 x^{3}+3 x^{4}+4 x is even, odd or neither.\newlineneither\newlineodd\newlineeven

Full solution

Q. Determine whether the function f(x)=7x3+3x4+4x f(x)=7 x^{3}+3 x^{4}+4 x is even, odd or neither.\newlineneither\newlineodd\newlineeven
  1. Select function for f(x)f(-x): f(x)=7x3+3x4+4xf(x)=7x^3+3x^4+4x\newlineSelect the function for f(x)f(-x).\newlineSubstitute x-x for xx in f(x)=7x3+3x4+4xf(x)=7x^3+3x^4+4x.\newlinef(x)=7(x)3+3(x)4+4(x)f(-x)=7(-x)^3+3(-x)^4+4(-x)
  2. Substitute x-x in f(x)f(x): f(x)=7(x)3+3(x)4+4(x)f(-x)=7(-x)^3+3(-x)^4+4(-x) Simplify the right side of the function. f(x)=7(x)3+3(x)44xf(-x)=7(-x)^3+3(-x)^4-4x f(x)=7x3+3x44xf(-x)=-7x^3+3x^4-4x
  3. Simplify right side: We have:\newlinef(x)=7x3+3x4+4xf(x)=7x^3+3x^4+4x\newlinef(x)=7x3+3x44xf(-x)=-7x^3+3x^4-4x\newlineIs the function f(x)f(x) even, odd, or neither?\newlineWe have f(x)=7x3+3x4+4xf(x)=7x^3+3x^4+4x and f(x)=7x3+3x44xf(-x)=-7x^3+3x^4-4x.\newlineSince f(x)f(-x) is not equal to f(x)f(x) and f(x)f(-x) is not equal to f(x)-f(x), f(x)f(x) is neither even nor odd.

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