Question

Tell whether the function is linear or nonlinear and explain. Then state what type of function it is.

Answer 1

In this case the answer is very simple.

Step 01:

Data

point 1 (0 , -1 )

point 2 (1 , 0)

point 3 (2, 3 )

point 4 (3 , 8)

Step 02:

Graph

y = x² - 1

The answer is:

The function is not linear. The relationship between the variable y and the variable x is quadratic.