SOLUTION: Find the values of x for which the combined function h(x) = f(x)/g(x) is undefined if f(x) = 5x + 1 and g(x) = x^2 - 9.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Find the values of x for which the combined function h(x) = f(x)/g(x) is undefined if f(x) = 5x + 1 and g(x) = x^2 - 9.      Log On


   

Question 1027655: Find the values of x for which the combined function h(x) = f(x)/g(x) is undefined if f(x) = 5x + 1 and g(x) = x^2 - 9.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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Find the values of x for which the combined function h(x) = f(x)/g(x) is undefined if f(x) = 5x + 1 and g(x) = x^2 - 9.
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Those "x"s are zeros of the denominator g(x) = 0.

I.e.  x%5E2-9 = 0.

The roots are x = 3 and x = -3.