Jillian is participating in a book-reading contest to raise funds for her local library. For every book Jillian reads, her mothe
r pledged to make a donation.
A: The table shows how much Jillian's mother will donate. Find the pattern, and give the amount her mother will donate for 9 and 21 books read.
(Btw it won't let me upload a pic of the table so this is what it said)
BR: 3. 5. 7
MD: $15. $25. $35
(Ps. BR means books read and MD means money donated)
B: Write an equation showing the pattern from the table. Identify the variables.
C: Graph the equation.
A: The table shows how much Jillian's mother will donate. Find the pattern, and give the amount her mother will donate for 9 and 21 books read.
(Btw it won't let me upload a pic of the table so this is what it said)
BR: 3. 5. 7
MD: $15. $25. $35
(Ps. BR means books read and MD means money donated)
B: Write an equation showing the pattern from the table. Identify the variables.
C: Graph the equation.
1 answer:
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The formula for exponential decay is
where a is the initial value (28750)
r is the rate of decrease (0.12)
x is the time, in this case in years (6 . 2018-2012 = 6 years)
<span>y </span>≈ <span>13351.62</span>
where a is the initial value (28750)
r is the rate of decrease (0.12)
x is the time, in this case in years (6 . 2018-2012 = 6 years)
<span>y </span>≈ <span>13351.62</span>