<img src="https://tex.z-dn.net/?f=2x2%20-%2054%20%2B%2059" id="TexFormula1" title="2x2 - 54 + 59" alt="2x2

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MAXImum [283]

3 years ago

middle" class="latex-formula">

Mathematics

2 answers:

Westkost [7]3 years ago

4 0

The answer should be 4x+5

Please let me know if I’m wrong!

zhenek [66]3 years ago

3 0

Answer:

Step-by-step explanation:

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Write 45.21% as a decimal

Leona [35]

Answer:

.4521

Step-by-step explanation:

when converting a percentage to a decimal you have to move the decimal point over two times to the left. do if you have 100% you moved the decimal point over two and get 1.00

8 0

3 years ago

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True or false <br><br> (Picture provided)

aksik [14]

<h2>Answer:</h2><h3>False</h3><h2>Step-by-step explanation:</h2>

Let's find the inverse function of $f(x)=(x-3)^3+4$ to know whether this function has an inverse function $f^{-1}(x)=-3+\sqrt[3]{x+4}$ . So let's apply this steps:

a) Use the Horizontal Line Test to decide whether $f$ has an inverse function.

Given that f(x) is a cubic function there is no any horizontal line that intersects the graph of $f$ at more than one point. Thus, the function is one-to-one and has an inverse function.

b) Replace $f(x)$ by $y$ in the equation for $f(x)$ .

$y=(x-3)^3+4$

c) Interchange the roles of $x$ and $y$ and solve for $y$

$x=(y-3)^3+4 \\ \\ \therefore x-4=(y-3)^3 \\ \\ \therefore (y-3)^3=x-4 \\ \\ \therefore y-3=\sqrt[3]{x-4} \\ \\ \therefore y=\sqrt[3]{x-4}+3$

d) Replace $y$ by $f^{-1}(x)$ in the new equation.

$f^{-1}(x)=\sqrt[3]{x-4}+3$

So this is in fact the inverse function and it isn't the same given function. Therefore, the statement is false

3 0

4 years ago

Read 2 more answers

What is this I need help

Setler79 [48]

Answer:

B. No solution

Step-by-step explanation:

$2y-7\left(y+8\right)=1-5y\\\\\mathrm{Expand}\:-7\left(y+8\right):\quad -7y-56\\2y-7y-56=1-5y\\\\\mathrm{Add\:similar\:elements:}\:2y-7y=-5y\\-5y-56=1-5y\\\\\mathrm{Add\:}56\mathrm{\:to\:both\:sides}\\-5y-56+56=1-5y+56\\\\Simplify\\-5y=-5y+57\\\\\mathrm{Add\:}5y\mathrm{\:to\:both\:sides}\\-5y+5y=-5y+57+5y\\\\Simplify\\0=57$

4 0

3 years ago

Read 2 more answers

Divide 5097 by 10 and write the answer as a mixed number

Dmitry_Shevchenko [17]

If it is a mixed number it should be 509 7/10

7 0

3 years ago

One recipe for cereal bars uses 5 cups of cereal and 2 1 / 2 cups of nuts a different recipe uses 3 cups of cereal and i cup of

san4es73 [151]

Is this a real question

7 0

4 years ago