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MA_775_DIABLO [31]
3 years ago
10

Let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).

Mathematics
2 answers:
ruslelena [56]3 years ago
8 0
f(g(x))=9(-x+3)-2 \\ f(g(x))= -9x+27-2 \\ f(g(x))= -9x+25
Tems11 [23]3 years ago
8 0
f(x)=9x-2;\ g(x)=-x+3\\\\f(g(x))=9(-x+3)-2=-9x+27-2=-9x+25
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Step-by-step explanation:

8 0
3 years ago
Find d for the arithmetic series with S17=-170 and a1=2
Irina18 [472]
So, we know the sum of the first 17 terms is -170, thus S₁₇ = -170, and we also know the first term is 2, well

\bf \textit{ sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n(a_1+a_n)}{2}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
----------\\
n=17\\
S_{17}=-170\\
a_1=2
\end{cases}
\\\\\\
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\\\\\\
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well, since the 17th term is that much, let's check what "d" is then anyway,

\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=17\\
a_{17}=-22\\
a_1=2
\end{cases}
\\\\\\
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\\\\\\
\cfrac{-24}{16}=d\implies -\cfrac{3}{2}=d
6 0
3 years ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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5 0
2 years ago
Read 2 more answers
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Len [333]

Answer:

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Step-by-step explanation:

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-----------------

2/3 hour

2/ 23 ÷ 2/3

Copy dot flip

2 /23 * 3/2

Rewriting

2/2 * 3/23

3/23 miles per hour

7 0
2 years ago
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