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Veronika [31]
3 years ago
7

Karen and her sister Tina want to get a pet. However, Karen wants a turtle and Tina wants a dog. Their parents tell them to flip

3 coins to choose which pet they get. What is a fair way of choosing using all 3 coins? Please help!!
Mathematics
1 answer:
alina1380 [7]3 years ago
6 0
Flip them all @ the same time! One coin for each sister and one for a parent or in the hand of the other sister. One sister can have heads or turtle and the other can have tails or dog.
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If f(x)=7-3x and g(x)=3x-7, what is the value of f(1)-g(1)?
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Substitute 1 for x in each of your equations.

f(x)=7-3x
which is
f(1)=7-3(1)
=3
Do the same for g(x)
g(x)=3x-7
which is
g(1)=3(1)-7
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Then subtract g(x) from f(x):
3-(-4)
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:)

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3 years ago
What is the average rate of change of the function over the interval x = 0 to x = 8?<br>​
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Answer:

The average rate of change is:

\frac{13}{161}

Step-by-step explanation:

The rational function given to us is;

f(x)=\frac{3x+4}{2x+7}

f(0)=\frac{3(0)+4}{2(0)+7}

f(0)=\frac{4}{7}

f(8)=\frac{3(8)+4}{2(8)+7}

f(0)=\frac{28}{23}=1

The average rate of change of this function from x=0 to x=8  is the slope of the secant line connecting:

(0,f(0)) and (8,f(8))

Average rate of change ==\frac{f(8)-f(0)}{8-0}

=\frac{\frac{28}{23}-\frac{4}{7} }{8}

=\frac{13}{161}

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