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Vilka [71]
3 years ago
12

Melinda will take15 quizzes this semester. She would like to score a B or better on at least 90% of them. So far, she has gotten

a B or better on 6 quizzes. Which inequality can be used to determine how many more quizzes she must score a B or better on? StartFraction 6 + x over 15 EndFraction less-than-or-equal-to StartFraction 9 over 10 EndFraction StartFraction 6 + x over 15 EndFraction greater-than-or-equal-to StartFraction 9 over 10 EndFraction StartFraction 6 over 15 EndFraction + x greater-than-or-equal-to StartFraction 9 over 10 EndFraction StartFraction x minus 6 over 15 EndFraction greater-than-or-equal-to StartFraction 9 over 10 EndFraction
Mathematics
2 answers:
Sphinxa [80]3 years ago
7 0

Answer: B

Step-by-step explanation:

I took the test

Vaselesa [24]3 years ago
5 0

Answer:

The correct answer is B

Step-by-step explanation:

The i got 100% on the quiz

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A) a vertical line does not represent a function.

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For a relation to be a function for each value of x there must be only one value of y. In other words a function is one in which each value in the domain set corresponds to only one value in the range set.

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For the given equation, on plugging in some x value will give a single y value.

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D) {(1, 7), (3,7), (5, 7), (7,7)}

For the given set for different x valuesthere is only one y value.

So, its a Function

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