Question

f(x)= -2/5 e g(x)= 3x -1/2 f(-2)+ g(1) =?

Answer 1

Resposta:

33/10

Explicação passo-a-passo:

a)

f(x)=-2x/5    ?????

g(x)=3x-1/2

f(-2)+g(1)=?????

b)

f(-2)=[-2.(-2)]/5=4/5

g(1)=3.(1)-1/2=3-1/2=5/2

c)

f(-2)+g(1) = 4/5+5/2 = (8+25)/10 = 33/10