Graph and solve the system. 3=4y+x 4y=-x+3

How to solve it is shown with the process of Substitution in the following pictures. (The steps are listed in order from the first picture to the second picture.)

Hope this helps!

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function