The altitude at which we boil an egg affects how long it takes for the egg to achieve perfect hardness.

it takes 198 seconds to boil a perfect egg at the lowest place possible, the edge of the dead sea, which has an

altitude of -418 meters.

the highest place possible is the summit of mount everest which has an altitude of 8848 meters. it takes 209

seconds to boil a perfect egg there.

t(a) models the time (in seconds) it takes to boil a perfect egg at an altitude of a meters.

which number type is more appropriate for the domain of t?

if the eqn of the parabola is f(x) = (x-4)(x+2), we need to mult. this out to find the coordinates of the vertex.

then f(x) = x^2 + 2x - 4x - 8, and f(x) = x^2 - 2x - 8.

one way in which you can find the vertex is to calculate x = -b / (2a).   here, that comes to

        )

x = = 1.   f(1) = 1^2 - 2(1) - 8 = - 9.   vertex is at (1, -9).

        2(1) 

find another point on the curve:   let x=0, for which y=-8.   then (0, -8) is on the curve.   plot the vertex and this point and draw a smooth parabola thru both.

hope this

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step-by-step explanation:

answer: sorry i dont really know but can we talk all my friends r gone and im bored

step-by-step explanation: