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3 years ago

For f(x) =4x+1 g(x)=x²-5, find (f•g)(x)

Mathematics

2 answers:

Tju [1.3M]3 years ago

6 0

4x² - 19

This is your correct answer friend

Marta_Voda [28]3 years ago

5 0

Step-by-step explanation:

The composite function (f o g)(x)

= f(x² - 5)

= 4(x² - 5) + 1

= 4x² - 19.

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3 years ago

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Step-by-step explanation:

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2 years ago

Read 2 more answers

Can't figure it out!!

Zanzabum

$\bf slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ f(x_2)}}-{{ f(x_1)}}}{{{ x_2}}-{{ x_1}}}\impliedby 
\begin{array}{llll}
average\ rate\\
of\ change
\end{array}\\\\
-------------------------------\\\\
f(x)= \cfrac{1}{x} \qquad 
\begin{cases}
x_1=2\\
x_2=b
\end{cases}\implies \cfrac{f(b)-f(2)}{b-2}=-\cfrac{1}{10}
\\\\\\
\cfrac{\frac{1}{b}-\frac{1}{2}}{b-2}=-\cfrac{1}{10}\implies 
\cfrac{\frac{2-b}{2b}}{b-2}=-\cfrac{1}{10}\implies \cfrac{2-b}{2b}=-\cfrac{b-2}{10}
\\\\\\
$

$\bf \cfrac{2-b}{2b}=\cfrac{2-b}{10}\implies 20-10b=4b-2b^2\impliedby cross-multiplying
\\\\\\
2b^2-4b-10b+20=0\implies 2b^2-14b+20=0
\\\\\\
b^2-7b+10=0\implies 
(b-2)(b-5)=0\implies b=
\begin{cases}
\boxed{5}\\
2
\end{cases}$

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3 years ago

6/7 x 56 in multiplied and in its simpliest form

vazorg [7]

So, 6/7*56/1
56*6/7
336/7
the answer is 48

6 0

3 years ago

Read 2 more answers

For f(x) =4x+1 g(x)=x²-5, find (f•g)(x)​

For f(x) =4x+1 g(x)=x²-5, find (f•g)(x)