A function has the function rule y = - 7 x - 2. If the input is - 4, what is the output? 26 - 30 - 26 14

Question

Mathematics

Jefferson Pham

9 February, 17:46

A function has the function rule y = - 7 x - 2. If the input is - 4, what is the output? 26 - 30 - 26 14

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Answers (1)

Know the Answer?

Maia · Answer 1

26

Step-by-step explanation:

Since the input is - 4, x = - 4. The equation then is y = - 7 (-4) - 2

A negative times a negative is a positive, so - 7 times - 4 is 28.

Now the equation reads y = 28 - 2

Then obviously you just subtract the two and then you get 26.