Question

f(x) = -3x + 8 even odd or neither ?

Answer 1

A function is even if \(f(x)=f(-x)\).
A function is odd if \(-f(x)=f(-x)\).

To test whether the function is even, substitute \(-x\) in for \(x\). If you end up with the same function, then it is even.

To test if it is odd, substitute \(-x\) in. If you end up with \(3x-8\), which is \(-f(x)\), then the function is odd.

Can you try this yourself now?