huntercouey
huntercouey huntercouey
  • 04-06-2020
  • Mathematics
contestada

What are the excluded values?

0 and 15

3 and -5

-3 and 5

What are the excluded values 0 and 15 3 and 5 3 and 5 class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-06-2020

Answer:

x=5    x = -3

Step-by-step explanation:

-7 / ( x^2 -2x -15)

Factor the denominator

-7

----

(x-5) ( x+3)

The excluded values are when the denominator is equal to zero

(x-5) (x+3) =0

x-5 =0   x+3=0

x=5    x = -3

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