Question

dadas as funçoes f(x)=2x-3 e g(x)=4-x,calcule:

a) f(-1)

b) f(x+1)

c) g(4)

d) g(x-2)

ajudem me

Answer 1

Olá Jessica

f(x) = 2x - 3 e g(x) = 4 - x

a) f(-1) = -2 - 3 = -5 

b) f(x + 1) = 2*(x + 1) - 3 = 2x + 2 - 3 = 2x - 1

c) g(4) = 4 - 4 = 0

d) g(x - 2) = 4 - (x - 2) = -x + 6 

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