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Alex73 [517]
3 years ago
13

Use quadratic regression to find the

Mathematics
1 answer:
Travka [436]3 years ago
7 0

Answer:

y=  -x^{2} -2x+15

Step-by-step explanation:

 

y=  -x^{2} -2x+15

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an employee at an arcade determined he could use the equation y=50-2x to predict the number of tokens a guest has,y, based on th
givi [52]

Answer:

The rate at which how many tokens a person loses per minute.

Step-by-step explanation:

If we move around the terms in the equation to fit standard form, it will be easier to determine the slope.

y = 50 - 2x

y = -2x + 50

We know that the slope is the coefficient of the x variable, so m = -2 or \frac{-2}{1}.

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8 0
3 years ago
A pen cost half as much as a ruler. Write an expression to describe how much the pen cost, using r as the cost of the ruler.​
gregori [183]

Answer:

<em>r</em>=2<em>p</em>

Step-by-step explanation:

If <em>r </em>is ruler and <em>p </em>is pen, ruler equals pen times 2, so its <em>r</em>=2<em>p</em>

6 0
3 years ago
Find the average rate of change of g(x) = 4x3 + 3 from x = – 3 to x = 4
Lostsunrise [7]

Answer:

52

Step-by-step explanation:

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AROC = \frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{259 - (-105)}{4 - (-3)} = 52

5 0
3 years ago
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