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- anonymous

~~!!help i need help :-(!!~~

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- anonymous

~~!!help i need help :-(!!~~

- schrodinger

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- anonymous

Maddy and Caitlin spend a certain amount of money from their money box each month to buy bracelet-making supplies.
The table shows the relationship between the amount of money (y) remaining in Maddy's money box and the number of months (x):
Function 1
Number of Months
(x) Amount Remaining (in dollars)
(y)
1 100
2 80
3 60
4 40
The equation shows the relationship between the amount of money (y) remaining in Caitlin's money box and the number of months (x):
Function 2:
y = −18x + 120
Which statement explains which function shows a greater rate of change?
Function 2 shows a greater rate of change, because Maddy spends $20 each month and Caitlin spends $18 each month.
Function 2 shows a greater rate of change, because Maddy spends $100 each month and Caitlin spends $120 each month.
Function 1 shows a greater rate of change, because Maddy spends $20 each month and Caitlin spends −$18 each month.
Function 1 shows a greater rate of change, because Maddy spends $20 each month and Caitlin spends $18 each month.

- anonymous

- anonymous

help

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- anonymous

function2, what is the slope?

- anonymous

one sec

- anonymous

i got m=−18,b=120 where m is the slope and b is the y-intercept

- anonymous

noo m=−18

- anonymous

-18 is a slope of function 2
Now, function1, what is its slope?

- anonymous

\(\dfrac{y_2-y_1}{x_2-x_1}\)

- anonymous

y=−20x+120

- anonymous

yes, so the slope is -20, right?

- anonymous

yes

- anonymous

Now compare the two, -18, and -20, which one is steeper?

- anonymous

-20

- anonymous

yes,

- anonymous

:T

- anonymous

so function 1 has the slope steeper than function2, that is the rate of change of function1 is greater than ......
which one is the correct answer?

- anonymous

A :D

- anonymous

A or D?

- anonymous

A i was just smilling

- anonymous

again, which one do you choose??

- anonymous

A i pick A

- anonymous

OMG!! you didn't pay attention to my guide!!! waste my time.
it's D

- anonymous

sorry

- anonymous

i thought u didnt understand what i was saying GOSH

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