Question

evaluate f(x) = 3/6x+6 when x = -1

a) undefined
b) 0
c) 3
d) 3/36

Answer 1

Answer:

a) Undefined.

Step-by-step explanation:

$f(x) = \dfrac 3{6x+6} = \dfrac{3}{6(x+1)} = \dfrac{1}{2(x+1)}\\\\\\f(-1) =\dfrac{1}{2(-1+1)}= \dfrac{1}{0}$