Question

if f(x)=2^x then f(x+2)-f(x-2)=

Answer 1

Here is some info,\[\large\rm f(\color{orangered}{x})=2^{\color{orangered}{x}}\]\[\large\rm f(\color{orangered}{x+2})=2^{\color{orangered}{x+2}}\]\[\large\rm f(\color{orangered}{x-2})=2^{\color{orangered}{x-2}}\]Hopefully the color can help you see what is going on.

Answer 2

thank you