Find 729 -243 +81- …… -1/3
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The moon's surface is covered with dead volcanoes, impact craters, and lava flows, some visible to the unaided stargazer. Early scientists thought the dark stretches of the moon might be oceans, and so named such features mare, which is Latin for "seas" (maria when there aremore than one).
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Step-by-step explanation:
Just plug in the points for x and y from the points (1, 81) and (2, 729)
y = Cax
1) 81 = Ca1 or C = 81/a
2) 729 = Ca2 plugging in "81/a" for "C" we get 729 = (81/a)a2 or 729 = 81a or a = 9
Plugging in "9" into C = 81/a we get C = 9
So a = 9 and C = 9
f(x) = 9*9x
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