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Tanisha is graphing the function f(x) = 25(3/5)^x. She begins by plotting the point (1, 15). Which could be the next point she plots on the graph? (2, 9) (2, –10) (2, 14 2/5) (2, 5)
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Jul 9, 2017
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Tanisha is graphing the function f(x) = 25(3/5)^x. She begins by plotting the point (1, 15). Which could be the next point she plots on the graph?
(2, 9)
(2, –10)
(2, 14 2/5)
(2, 5)
Mathematics
high-school
Conradj
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Answer:
(2,9)
Explanation:
Took the test
Irzhy
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Jul 12, 2017
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Irzhy
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The answer is (2,9).
This is because we can increment X by 1, giving us X=2. We can then do:
f(2)=25•(3/5)^2
Which equals:
f(2)=25•(3^2/5^2) because (a/b)^c = a^c/b^c.
We can then calculate the fraction in a simplified form:
f(2)=25•(9/25)=225/25
which fully simplified gives us
f(2)=9/1=9
Scofield Tran
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Jul 14, 2017
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anisha is graphing the function f(x) = 25(3/5)x. She begins by plotting the point (1, 15). Which could be the next point she plots on the graph? (2, 9) (2, –10) (2, 14) (2, 5)
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