Answer:
i think you need to work on your decimals mate
Step-by-step explanation:
download a app called photo math
Thank me later
(f+g)(x)= 2x²+2x-2
-x²+6x-1+3x²-4x-1 can be found by combining like terms.
2x²+2x-2
get y by itself and simplify
y=3/2x +7