Question 619324
What is the domain of RAE (((a^2)+ 3a -28)/(2a + 14))
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Factor a^2+3a-28
a^2+7a-4a-28
a(a+7)-4(a+7)
(a+7)/(a-4)
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What is the domain of RAE (((a+7)(a-4))/(2(a + 7))
You have a hole at a = -7
Domain: All Real Numbers except a = -7
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Cheers,
Stan H.
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