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kow [346]
3 years ago
10

the equations y=40x+60 represents how much money sue has, Y represents the amount of money she has after x months. Is sue saving

or spending money ? how can you tell ?
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0
She's saving money since there's no negative value
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Use a table of values with at least 5 values to graph the following function:
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The given expression :

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For coordinates:

put x = 0 then :

\begin{gathered} y=(\frac{1}{2})^0 \\ y=1 \end{gathered}

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Put x = (-3) and simplify :

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\begin{gathered} y=(\frac{1}{2})^x \\ y=(\frac{1}{2})^{-1} \\ y=\frac{1^{-1}}{2^{-1}} \\ y=\frac{2}{1} \\ y=2 \end{gathered}

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So, the coordinates are :

The graph is :

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