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Math Test

1. A rental car company charges $150.00 for a weekly rental and an additional $0.20 for each mile driven. The function rule C=0.20m+150.00 describes the relationship between the number of miles driven m and the total cost C. If the rental car can only be driven a maximum of 200 miles, what is a reasonable graph of the function rule?

I just want to know what is the function rule. No graphs needed.

2. Tell whether the sequence is arithmetic. If it is, what is the common difference?

1, 1 1/6, 1 1/3, 1 1/2

a. yes; -1/6***
b. yes; 1/6
c. yes; 6
d. no

3. The function b(n)=6n represents the number of light bulbs b(n) that are needed for n chandeliers. How many lightbulbs are needed for 15 chandeliers?

a. 90***
b. 2
c. 96
d. 80

4. {(-8,-6),(-5,2),(-8,1),(7,3)}

Is this relation a function?

5. {(-3,-7),(-2,-7),(4,-7),(5,-7)}

Is this relation a function?

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Kaai97

  1. 1. C=0.20m+150.00
    IS the function rule

    2. wrong sign
    3. right
    4. there are two different y values at x = -8. Thus it is NOT a function
    5. Sure, horizontal line y = -7

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    Damon

  2. Thankyou so much. This was really helpful. :)

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    Kaai97

  4. You are welcome.

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    Damon

  5. How would use that function rule to gain the graph?

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    Whatever

  6. ok boomer

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    angel

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