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weeeeeb [17]
2 years ago
15

Given f(x) = -x + 6 write an equation for f(x + 3).

Mathematics
1 answer:
givi [52]2 years ago
6 0

Answer:

-fx +9f

(i think)

Step-by-step explanation:

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What is 5 1/4 divided by 7?
NARA [144]
ANSWER: I think it’s 3/4
4 0
3 years ago
Read 2 more answers
Find the measure of the indicated angle to the nearest degree.
fredd [130]

Step-by-step explanation:

Let the measure of required angle be x degree

\therefore \tan \: x =  \frac{33}{56}  \\  \\ \therefore \tan \: x =  0.589285714  \\  \\ \therefore  \: x =   {\tan}^{ - 1} (0.589285714)  \\  \\  \therefore  \: x =   {\tan}^{ - 1} ( \tan \: 30.510237394 \degree) \\  \\    \huge \red{ \boxed{\therefore  \: x =   31\degree}}

Thus, first option is the correct answer.

3 0
3 years ago
Which is the value of the rational expression 6-x/x+5 when x=2
Allisa [31]

Answer:

4/7

Step-by-step explanation:

6-x/x+5 let us take x=2

6-2/2+5=4/7

8 0
3 years ago
The world population is projected to be 6.7 billion in 2040. At that​ time, there are expected to be approximately 2 billion mor
Charra [1.4K]
\bf \begin{cases}
s=\textit{Asia's population}\\
a=\textit{Africa's population}\\
r=\textit{rest of the world}\\
----------\\
\boxed{s}=a+2\\
\boxed{r}=\frac{s}{2}+0.2
\end{cases}\implies 
\begin{array}{llll}
s+a+r=6.7\\\\
\boxed{a+2}+a+\boxed{\cfrac{s}{2}+0.2}=6.7\\\\
a+2+a+\cfrac{\boxed{a+2}}{2}+0.2=6.7
\end{array}

solve for "a", to see what Africa's population will then be
5 0
3 years ago
For fun question
ZanzabumX [31]
Consider the function f(x)=x^{1/3}, which has derivative f'(x)=\dfrac13x^{-2/3}.

The linear approximation of f(x) for some value x within a neighborhood of x=c is given by

f(x)\approx f'(c)(x-c)+f(c)

Let c=64. Then (63.97)^{1/3} can be estimated to be

f(63.97)\approxf'(64)(63.97-64)+f(64)
\sqrt[3]{63.97}\approx4-\dfrac{0.03}{48}=3.999375

Since f'(x)>0 for x>0, it follows that f(x) must be strictly increasing over that part of its domain, which means the linear approximation lies strictly above the function f(x). This means the estimated value is an overestimation.

Indeed, the actual value is closer to the number 3.999374902...
4 0
3 years ago
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