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What is the domain of the function?Rotate the image to see it.

What is the domain of the function?Rotate the image to see it.-example-1
User JayM
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1 Answer

6 votes

Answer:

answer B is correct

Explanation:

Hello,

this is not allowed to divide by 0 so we need to find the zeros of


x^2+2x-15=0


<=> x^2-3x+5x-15=0\\<=> x(x-3)+5(x-3)=0\\<=> (x+5)(x-3)=0\\<==> x=-5 \ \ or \ \ x=3

we need x different from -5 and from 3

answer B is correct

hope this helps

User Jeremiah Stillings
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