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3 years ago

The line r represents f(x)=x-4/3.therefore,the line that represents f^-1 is _ and f^-1(x)= x+__.

Mathematics

2 answers:

xxMikexx [17]3 years ago

6 0

Answer:

f^-1 is P and f^-1(x) = 3x+4

Step-by-step explanation:

I did the work in my notebook but pretty much to find the inverse of $\frac{x-4}{3\\}$ you gotta do an equation and yeh its pretty simple.

vovangra [49]3 years ago

4 0

Answer:

connect y to x which is going to give you -4 than add -1 to it -5 and doint forget 5 p so you answer is -5p.

Step-by-step explanation:

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Determine whether the following series converges. Summation from k equals 2 to infinity (negative 1 )Superscript k Baseline Star

Ket [755]

Answer:

$a_k=\left|\dfrac{k^2-3}{k^2+4}\right|;\text{ is nondecreasing for $k>2$}$

$\lim\limits_{k \to \infty} a_k =1$

The series does not converge

Step-by-step explanation:

Given ...

$S=\displaystyle\sum\limits_{k=2}^{\infty}{x_k}\\\\x_k=(-1)^k\cdot\dfrac{k^2-3}{k^2+4}\\\\a_k=|x_k|$

Find

whether S converges.

Solution

The (-1)^k factor has a magnitude of 1, so the magnitude of term k can be written as ...

$\boxed{a_k=1-\dfrac{7}{k^2+4}}$

This is non-decreasing for k>1 (all k-values of interest)

As k gets large, the fraction tends toward zero, so we have ...

$\boxed{\lim\limits_{k\to\infty}{a_k}=1}$

Terms of the sum alternate sign, approaching a difference of 1. The series does not converge.

7 0

3 years ago

Combine the like terms to create an equivalent expression 11m + 1 + 3m +4

Trava [24]

Answer:

14m + 5

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

1 + 2k = 5k + 7 I got k=2 don't know if it's the right answer ?

DochEvi [55]

You are close, but it is not the correct answer.

1 + 2k = 5k + 7

First, since we are trying to get the variable by itself, we need to move all things to one side. Let's subtract 1 from each side.
$2k = 5k + 7 - 1$

Second, we can now subtract (7 - 1) to get 6. Let's add that into our problem and then subtract 5 from each side, still trying to get the variable by itself.
$2k - 5k = 6$

Third, subtract (2k - 5k) to get -3k. Hint the negative symbol now. If the problem were switched the other way, it would still be a positive.
$-3k = 6$

Fourth, we can now divide each side by -3. This results in a fraction and also getting the variable by itself on one side of the problem. Remember the negative sign in front of the fraction since (-3) carried it.
$k = - \frac{6}{3}$

Fifth, this is our last step. We need to simplify the fraction. Since out fraction is 6/3, which number multiples by 3 to get the answer of 6? The answer is 2, since (3 × 2 = 6). Don't forget the negative!
$k = -2$

Answer: $\fbox {k = -2}$

4 0

4 years ago

One step inequalities 15<-5x Solve for x

Mars2501 [29]

I think 3 would be the answer if not I'm sorry

4 0

3 years ago

Estimate the quotient 4558 divided by 43

Ludmilka [50]

Answer:

the answer is 106

Step-by-step explanation:

4558÷43=106

3 0

3 years ago

The line r represents f(x)=x-4/3.therefore,the line that represents f^-1 is ___ and f^-1(x)=____ x+____.

The line r represents f(x)=x-4/3.therefore,the line that represents f^-1 is _ and f^-1(x)= x+__.