Mathematics: Help? Anyone have and idea?

Help? Anyone have and idea? - id7526714, kelsgoat22

Ответ:

dani2997

02.02.2022

$y=a\cdot b^x\quad,\quad b0$

a)
$128=2 b^3\\
b^3=64\\
b=4\\\\
y=2\cdot4^x$

b)
$4=a\cdot b^0\\
1=a\cdot b^2\\\\
a=4\\
1=a\cdot b^2\\\\
1=4\cdot b^2\\
b^2=\dfrac{1}{4}\\
b=\dfrac{1}{2} \vee b=-\dfrac{1}{2}\\
-\dfrac{1}{2}$

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Ответ:

leannesmith90101

17.12.2020

Mathematics

Step-by-step explanation:

You just add the two equations together and add like terms and that's what your final equation is.

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