SOLUTION: consider the function: f(x)= x^2-4/x-5 (a). find all values that makes the function undefined that makes the function undefined

Algebra ->  Functions -> SOLUTION: consider the function: f(x)= x^2-4/x-5 (a). find all values that makes the function undefined that makes the function undefined       Log On


   

Question 384409: consider the function: f(x)= x^2-4/x-5 (a). find all values that makes the function undefined
that makes the function undefined
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,         

f%28x%29=+%28x%5E2-4%29%2F%28x-5%29 

(a)As zero is not allowed in the denominator, 

x = 5 is the value that makes the function undefined.

(b)f%283%29=+%283%5E2-4%29%2F%283-5%29 

    f(3) = -(5/2)