SOLUTION: Indicate the domain of the following fractions: 3a/2a+25

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Question 1130929: Indicate the domain of the following fractions:
3a/2a+25
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

3a%2F%282a%2B25%29
you have to exclude from domain all values of a that make denominator equal to zero
2a%2B25=0
2a=-25
a=-25%2F2


so domain will be
{ a element of R: a%3C%3E-25%2F2 }