How do you find the domain and range of $y=-3x^2-x+1$ ?

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How do you find the domain and range of $y=-3x^2-x+1$ ?

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Answer 1 · 2018-06-04T16:15:46

$x in mathbb(R)$ and $y<=13/12$

Explanation:

It is clear that we can plug in all real number in our function
$y=-3x^2-x+1$
we get be diiferentiating with respect to $x$
$y'(x)=-6x-1$
$y''(x)=-6$
so we get
$y(-1/6)=13/12$
and we get
$y<=13/12$

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How do you find the domain and range of $y=-3x^2-x+1$ ?

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How do you find the domain and range of y=-3x^2-x+1y=-3x^2-x+1?

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How do you find the domain and range of $y=-3x^2-x+1$ ?