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RUDIKE [14]
2 years ago
14

At Fairview Middle School, 75 band members need to raise a total of $8,250 for a trip. So far, they have raised $3,120.

Mathematics
1 answer:
laila [671]2 years ago
4 0

How much money, in dollars, per band member, still needs to be raised for the trip?

  • $68.40

A local business agrees to donate an additional $0.50 for each $1.00 in ticket sales to the band for their trip. What is the least number of concert tickets the band must sell in order to raise the rest of the money needed for the trip?

  • 456 tickets
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Answer:

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Step-by-step explanation:


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Consider the function f ( x ) = − 2 x 3 + 27 x 2 − 108 x + 9 . For this function there are three important open intervals: ( − [
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Answer:

<em>A=3 and B=6</em>

Step-by-step explanation:

<u>Increasing and Decreasing Intervals of Functions</u>

Given f(x) as a real function and f'(x) its first derivative.

If f'(a)>0 the function is increasing in x=a

If f'(a)<0 the function is decreasing in x=a

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We have

f ( x ) = - 2 x^3 + 27 x^2 - 108 x + 9

Computing the first derivative:

f' ( x ) = - 6 x^3 + 54 x - 108

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Simplifying by -6

x^2 -9 x +18=0

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They define the following intervals

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3 years ago
Evaluate the given algebraic expressions using the value of the variables:
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Step-by-step explanation:

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