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stsfrost9328
11.11.2019 •
Mathematics
1. 3, 9, 27,
which exponential function describes the given sequence?
a) y=(-1/3)^x
b) y= 1/3^x
c) (-3)^x
d) y=3^x
2. which sequence of y-values was formed from the function y = -2x - 9 using whole numbers for x?
a) -13, -15, -17, -19
b) -13, -16, -19, -21
c) -11, -20, -29, -38
d) -10, -12, -14, -15
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Ответ:
Ответ:
8y + 2 = 3y
8y-8y + 2 = 3y-8y
2 = 3y - 8y
2 = -5y
2/-5 = -5y/-5
>>> -2/5 = y <<<<<