Question

dadas as funções f(x)=2x²-6x-4 e g(x)=-3x-5x+1 calcule

a)f(x3)
b) f(-2)
c) f(0)
d) f(-0,2)
e) g (1)
f) g (-4)
g) (0)
h) g(1/2)
​

Answer 1

Resposta:

3 – 4.(3x+m) = 3.(3-4x) + m

3-12x-4m = 9-12x+m

-4m-m = 9-3-12x+12x

-5m = 6

(-1).-5m = 6.(-1)

5m = -6

m = - 6

         5