college Algebra

Question

Determine whether the function is one-to-one. (If it is not, provide an example of an two different x-values giving the same y-value).

 

H(x)= x^2-2x

Answer 1

H(x) = x^2 - 2x = x * (x-2)

 

If you put in 0 or 2 for x you will get 0 for H(x) so this function is not one-to-one.