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hewonabi123
14.07.2019 •
Mathematics
If y = 7x − 5, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? answer choices- {(−5, 0), (9, 2), (−26, −3)} {(2, 7), (1, 6), (3, 13)} {(0, −5), (2, 9), (−3, −26)} {(1, 3), (6, 18), (8, 15)}
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Ответ:
Given equation is y =7x - 5.
Let's plug in the values of x's to get their corresponding values of y's.
Let's plug in x = -5. So,
y = 7( -5) - 5 = -35 - 5 = -40
So, the first order pair is (-5, -40)
Hence, the first choice is not correct.
For x = 2, y = 7 (2) - 5 = 14 - 5 = 9.
Second order pair is (2, 9). So, second choice is also not correct.
Now for x = 0, y = 7(0) - 5 = - 5.
So, the third order pair is (0, -5).
Let's plug in x = -3 to check the third order pair list as we have already got two order pair (0, -5) and (2, 9) from that list.
For x = -3, y = 7(-3) - 5 = - 21 - 5 = -26.
Hence the correct choice is {(0, −5), (2, 9), (−3, −26)}.
Ответ:
b
Step-by-step explanation:
b is the answer