Question

f(x)=1+x qual sera o valor de f(-1)?

Answer 1

f ( x ) = 1 + x

Substituímos no lugar do "x"

f ( - 1 ) = 1 + ( - 1 )

f ( - 1 ) = 0

Answer 2

f(x)= 1+ x
f(-1)= 1 +(-1)
f(-1)= 1-1
f(-1)= 0