Mrs. Vineyard wants to sell a MINIMUM of 30 tickets for a fundraiser for her gym. If she has already sold 14 tickets, which solu
tion best represents the number of tickets, x, she still needs to sell for the fundraiser?
Answer choices:
Answer choices:
1 answer:
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x = -4 is not undefined because f(x) = x+4 is in the top part, the numerator, not the denominator. So the value that makes f(x) = x + 4 zero does not result in a division by zero.
Indeed, if we try to evaluate (f/g)(-4), then we get
which does not involve a division by zero.
However, attempting to evaluate (f/g)(3) leads us to
which involves a division by zero, and divisions by zero are undefined