3 years ago

The graph shows y as a function of x: In which segment is the function constant?

Mathematics

2 answers:

erastova [34]3 years ago

5 0

Q because it’s at a straight level

Alla [95]3 years ago

5 0

It’s Q because it goes on for a bit and then it stops and goes down at R

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kkurt [141]

Answer:

t = 3 seconds

Step-by-step explanation:

We have the equation, as a function of time, that describes the height of the object that is dropped from the bridge.

The equation is:

$h (t) = 144 - 16t ^ 2$

Where t is the time in seconds and h is the height in feet.

To know how long it takes the object to fall to the ground we do h (t) = 0 and solve for t.

So:

$0 = 144 - 16t ^ 2\\\\16t ^ 2 = 144\\\\t ^ 2 = \frac{144}{16}\\\\t ^ 2 = 9\\\\t_1 = 3\\t_2 = -3$

We take the positive solution.

Therefore the object takes 3 seconds to reach the ground

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The answer is 3 becasue

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oksano4ka [1.4K]

Answer:

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simplified expression: 3d + 105

Step-by-step explanation:

The first drone costs d. This means the expression = d

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To simplify it, you just distribute. Hope this helps :)

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