Which statements correctly describe the graph of the function f(x) = x - 2x2 - 19x + 20? Select three options.
As the x-values increase, the y-values always increase.
As x approaches negative infinity, y approaches negative infinity.
The domain of the function is all real numbers.
The range of the function is y > 20.
The graph has a positive y-intercept.
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5/20 so 25%

step-by-step explanation:

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus

what are your options?

step-by-step explanation:

well can we see it?