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hichkok12 [17]
3 years ago
9

How to find excluded values ?

Mathematics
1 answer:
Inessa [10]3 years ago
5 0
Hello,

The method is to find the roots of the denominator.

x²-2x-15=x²+3x-5x-15=x(x+3)-5(x+3)=(x+3)(x-5)

Roots are x=-3 and x=5

Answer C
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