Question

Dada a função y=2x³, calcule:

a) x=0

b) x=-1

Answer 1

y = 2x³

a)

x = 0

y = 2.(0)³
y = 2.0
y = 0

b)

x = -1

y = 2.(-1)³
y = 2.-1 
y = -2

Answer 2

a) y=2.0³= 2.0=0
b) y=2.(-1)³= 2.-1= 2.-1= -2