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const2013 [10]
3 years ago
6

Water is coming out of a fountain is modeled by the function f(x)=-x^2+8x+2 where f(x) represents the height in feet of the wate

r from the fountain at different times x, in seconds.. What does the average rate of change of f(x) from x=1 to x=4 represent?
a. The water travels an average distance of 3 feet from 1 second to 4 seconds. b. The water travels an average distance of 2 feet from 1 second to 4 seconds. c. The water rises up with an average speed of 3 feet per second from 1 second to 4 seconds.
d. The water rises up with an average speed of 2 feet per second from 1 second to 4 seconds.
Mathematics
1 answer:
Natalija [7]3 years ago
8 0
The problem ask to find the average rate of change of f(x) from x=1 to x=4 and choose among the choices the best statement that could represent the said average rate and the answer would be letter D. The water rises up with an average speed of 2 feet per second form 1 second to 4 seconds. I hope you are satisfied with my answer 
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Dominik [7]

0.25m + 1.75= 15

Move +1.75 to the right side of the equal sign which becomes -1.75

0.25m=15-1.75

subtract 15 and 1.75 which is 13.25

0.25m=13.25

divide 0.25 by both sides. 0.25m divided by 0.25 is 1m and 13.25 divided by 0.25 is 53.

He can travel 53 miles

0.25m + 1.75= 15

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What is the probability of rolling a number greater than or equal to 8 with the sum of two dice, given that at least one of the
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Answer:

a dice goes from 1-6

6+1=7

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Of those possible choices, 5 are greater than or equal to 8. So the answer is 5/6.

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3 years ago
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Anyone willing to help me through out the whole rest of the questions ?
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Compare the following ratios: (Use >, < or = sign in the place holders)
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Answer:

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2 years ago
What is 3x3-45 divided by (4+1)
Lorico [155]

Answer:

3x3-45÷(4+1) is 0.

Step-by-step explanation:

We have to do order of operations so we follow PEMDAS:

P is for Parentheses so we do what's in parentheses first:

(4+1)=5

E is for Exponents but we don't have exponents.

Next is M and D for Multiplication and Division. We have division before multiplication so we should do division first:

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We don't have addition so we'll do subtraction:

9-9=0

The final answer is 0.

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<h3>CloutAnswers</h3>
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