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anyanavicka [17]
3 years ago
5

Plz help me answer this question I’m being timed

Mathematics
2 answers:
LenaWriter [7]3 years ago
4 0

Answer:

reflection over the y-axis , dilation, 2

Step-by-step explanation:

maksim [4K]3 years ago
4 0
I have no clue what so ever but i have to answer 2 questions before i can ask ine sorry for not being able to help
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Average rate of change is 0

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<em><u>Solution:</u></em>

The function that models the yield is:

f(x) = -x^2 + 20x + 75

The average rate of change of f(x) from x = a to x = b is given by the formula:

\text{ average rate of change }=\frac{f(b)-f(a)}{b-a}

Find and interpret the average rate of change from year 5 to year 15

f(5) = -(5)^2 + 20(5) + 75\\\\f(5) = -25 + 100 + 75\\\\f(5) = 150

f(15) = - (15)^2 + 20(15) + 75\\\\f(15) = -225 + 300 + 75\\\\f(15) = 150

<em><u>Thus average rate of change:</u></em>

\text {average rate of change}=\frac{f(15)-f(5)}{15-5}

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Thus Average rate of change is 0

Interpretation: The crop yield did not change from year 5 to year 15.

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2w-1 divided by 5+w+2=2w
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Answer:

(2w-1)/5+w+2=2w

We simplify the equation to the form, which is simple to understand  

(2w-1)/5+w+2=2w

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Remove unnecessary parentheses

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We divide both sides of the equation by -0.6 to get w.  

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Step-by-step explanation:

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