tolong bantu ya......?

a. g(x) =f(x) - (f-g) (x)
=(x2 -4x+5) - (2x-3)
=x2-4x+5 - 2x + 3
=x2-4x-2x+5+3
=x2-6x+8

b. •f(2) =x2 -4(2)+5
= x2-8+5
= x2-3
•g(2) =2x-3
=2(2)-3
=4-3
=1
c. tinggal f -g /f+g
x nya diganti kayak diatas

[tex]x {}^{2} [/tex]