queenjjp04 queenjjp04

14-12-2017
Mathematics

contestada

If the equation of a function is y = x2 – 5, what is the output when the input is -1?

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helpmetnx helpmetnx

14-12-2017

The input is the y
y = x^2 - 5
plug in what we're given
-1 = x^2 -5
add 5 to both sides
4 = x^2
take the square root of both sides
2 = x

Hope this helps :)

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