Question

What is number 8 and how do u do it. HELP

Answer 1

Answer:

$\large\boxed{(f-g)(x)=4^x+x+5}$

Step-by-step explanation:

$(f-g)(x)=f(x)-g(x)\\\\f(x)=4^x+3x,\ g(x)=2x-5\\\\(f-g)(x)=(4^x+3x)-(2x-5)=4^x+3x-2x+5=4^x+x+5$