Which statement explains the type of function that is
represented by the equation
y = x2 + 9?
A.
The function is linear
because it contains more
than one term.
B. The function is linear
because the variable x is
raised to the second power.
C. The function is nonlinear
because it contains more
than one term.
D. The function is nonlinear
because the variable x is
raised to the second power.