Which of the following is a parent function?
A. f(x) = 2^x
B. f(x)=-3^x3 +1
C. f(x) = 3^x-x/3
D. f(x)=1/2•3^x

Which of the following is a parent function A fx 2x B fx3x3 1 C fx 3xx3 D fx123x class=