Question

Seja a função F(x)=x²-x-2 determine:
a) F(1)
b) F(-3)
c) F(0)

Answer 1

F(1)=1²-1-2
F(1)=1-3
F(1)=-2

F(-3)=(-3²)-3-2
F(-3)=9-5
F(-3)=4

F(0)=0²-0-2
F(0)=-2