Question

Is this function linear or nonlinear?

y = 2x to the 2nd power - 4

A) Nonlinear

B) Linear

Answer 1

y = 2x⁻⁴

Here, y changing exponentially with respect to x. So, it's non-linear.!!

Answer 2

The graph of y = 2x^2 - 4 is non-linear (A)
Hope this helps!!