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14-01-2021
Mathematics

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What is the value of this function when x = 9?

Please help!

What is the value of this function when x 9 Please help class=

Respuesta :

14-01-2021

Answer:

Undefined

Step-by-step explanation:

If x = 9, then.......

[tex]f(x) = \frac{x^{2} + 9x + 20}{x^{2} - 4x - 45} = \frac{9^{2} + 9(9) + 20}{9^{2} - 4(9) - 45} = \frac{182}{0}=[/tex] Undefined

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