Question

PLEASE HELP ME FAST

Questions 10-12
f(x)= 3x-13
g(x)= 2x^2-4x-5
h(x)=4^x-7

10. Find (f - g) (x)
11. Find (f - h) (x)'
12. Find (f + g) (x)

Answer 1

Number 11 I doubt the answer is right or wrong so I made 2 answers. If you know the answer please tell me, so I understand

Answer 2

10. -2x^2-x-18
11. I’m not sure if you meant to put the x as the exponent for h(x) but if you did then the answer is 3x-20-4^x
12. 2x^2-x-18
Hope this helps but I’m sorry if it doesn’t!