Select the answer. What are the zeros of this quadratic function?

f(x) = (x - 7)(x + 8)

A.) x = 0 and x = 7
B.) x = -7 and x = 8
C.) x = 0 and x = -8
D.) x = 7 and x = -8

The answer is D.) x = 7 and x = -8

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question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

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step-by-step explanation: