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Xelga [282]
3 years ago
9

Which of the following equations has a maximun?

Mathematics
2 answers:
dlinn [17]3 years ago
8 0

Answer:

The answer is option D.

y = - 7x² - 1

It's maximum is ( 0 , - 1)

Hope this helps you

Vedmedyk [2.9K]3 years ago
5 0

Linear functions never have maxima and minima, so a) is discarded.

In the options there are quadratic functions, they can present either a maximum or a minimum.

You can know instantly by seeing the sign of the variable {x}^{2}, <em>if positive the parabola opens up</em>, <u>then it will have a minimum</u>, <em>if negative the parabola opens down</em>, <u>having a maximum.</u>

\mathbb{ANSWER} \rightarrow \boxed{ \boxed{y =  -  {7x}^{2} - 1 }}

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