Question

1) sendo f(x)=2x+5, determine: a) f(0)= b) f(-1)+f(10)=
C) o valor de x de modo que f(x)3=3

Answer 1

sendo f (x)=2x+5

a) f (0) = 5


b) f (-1) + f (10)
= 3 + 25
= 28

c) (2x+5).3 = 3
6x+15=3
6x=3-15
6x= -12
x= -12/6
x= -2