Decide If the Function Is an Exponential Function $$y = x ^ { 4 }$$

Multiple Choice

Decide if the function is an exponential function. If it is, state the initial value and the base.
- $$y = x ^ { 4 }$$

A) Exponential Function; base $= x$ ; initial value $= 0$
B) Not an exponential function
C) Exponential Function; base $= 4$ ; initial value $= 0$
D) Exponential Function; base $= \mathrm { x }$ ; initial value $= 1$