with explenation

given f(x) = x + 11 and g(x) = 3x , what is f(5)+ g-2 ?

a 16

b 10

c 22

d-6

given f(x) = -8x+5 and g(x) = 10x + 2 , what is f(x) - g (x) ?

a 2x - 3

b 2x + 7

c 18x - 3

d 18x + 7