Which equation is NOT a linear function?

y=x^2-2

Step-by-step explanation:

Linear functions have a constant slope, so nonlinear functions have a slope that varies between points. Algebraically, linear functions are polynomials with highest exponent equal to 1 or of the form y = c where c is constant. Nonlinear functions are all other functions. An example of a nonlinear function is y = x^2

y=x^2 -2

Step-by-step explanation:

This will result in a parabola, which does not fit the description of a linear function.

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844