Question

help Please!

Answer 1

first one
\[3^x\] is alway increasing so smallest value will be from the smallest x

Answer 2

\[-\frac{3}{4}\]

Answer 3

second one
\[4^{x+2}=4^x\times 4^2=4^x\times 16\]

Answer 4

so you get
\[16\times4^x=48\]
\[4^x=\frac{48}{16}=3\]