is f(x)=4x2^x quadratic, logarithmic, linear, or exponiential

Question

i need help with this asap

Answer 1

??????????? iz zat 4*2^x ?????????

then its exponenshal...that meen yu yuze logs tu solv it

zampel...4*2^x=12

then 2^x=3

log(2^x)=log(3)

x*log(2)=log(3)

x=log(3) / log(2)