Resposta :
Vamos là.
f(x) = 5x + 10
a) f(0) = 10
b) f(-1) = -5 + 10 = 5
c) f(2) = 5*2 + 10 = 20
d) f(-2) = 5*(-2) + 10 = 0
e)
5x + 10 = 100
5x = 90
x = 18
Vamos là.
f(x) = 5x + 10
a) f(0) = 10
b) f(-1) = -5 + 10 = 5
c) f(2) = 5*2 + 10 = 20
d) f(-2) = 5*(-2) + 10 = 0
e)
5x + 10 = 100
5x = 90
x = 18