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anastassius [24]
2 years ago
12

What is the value of k(-6) Please help!!!

Mathematics
1 answer:
velikii [3]2 years ago
4 0

Answer:

35

Step-by-step explanation:

This is a piecewise function.

Since the value being asked to evaluate is -6, choose the part of the function that is applicable.

You would focus on  x\geq -6 since you were given a -6 to evaluate.

Then use the expression that describes the function at that location.

x^{2} - 1

Plug in your value of -6

(-6)^{2}-1\\ 36-1\\35

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<h3>Answer:  33%</h3>

===========================================================

Explanation:

1/3 converts to the decimal form 0.333333... where the 3's go on forever

5/3 is a similar story but 5/3 = 1.666666.... where the '6's go on forever

The notation 0.\overline{6} indicates that the 6's go on forever.

So, 0.\overline{6} = 0.666666\ldots

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The three dots just mean "keep this pattern going forever".

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Everything mentioned so far has the decimal portions go on forever repeating some pattern over and over.

The only one that doesn't do this is 33% which converts to the decimal form 0.33

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2 years ago
A ball is thrown upward from the top of a 40 foot high building at a speed of 80 feet per second. The ball's height above
tekilochka [14]

it takes 5 seconds to reach a height of 40 ft. and It takes 2.5 seconds to reach maximum height.

Let h(t) represent the height of the ball at time t.

Given that the height is given by:

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1) For the ball to reach a height 0f 40 ft, h(t) = 40, hence:

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Hence it takes 5 seconds to reach a height of 40 ft.

2) The maximum height is at h'(t) = 0,

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It takes 2.5 seconds to reach maximum height.

Find out more at: brainly.com/question/11535666

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