3 years ago

I’d like some help with this problem. (Multiple choice)

Mathematics

2 answers:

Alona [7]3 years ago

7 0

Step-by-step explanation:

Its F

Zanzabum3 years ago

5 0

The answer is f hopefully I helped

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Find the Maclaurin series for f(x) using the definition of a Maclaurin series. [Assume that f has a power series expansion. Do n

Mazyrski [523]

We can use the fact that, for $|x|$ ,

$\displaystyle\frac1{1-x}=\sum_{n=0}^\infty x^n$

Notice that

$\dfrac{\mathrm d}{\mathrm dx}\left[\dfrac1{1-x}\right]=\dfrac1{(1-x)^2}$

so that

$f(x)=\displaystyle\frac5{(1-x)^2}=5\frac{\mathrm d}{\mathrm dx}\left[\sum_{n=0}^\infty x^n\right]$

$f(x)=\displaystyle5\sum_{n=0}^\infty nx^{n-1}$

$f(x)=\displaystyle5\sum_{n=1}^\infty nx^{n-1}$

$f(x)=\displaystyle5\sum_{n=0}^\infty(n+1)x^n$

By the ratio test, this series converges if

$\displaystyle\lim_{n\to\infty}\left|\frac{(n+2)x^{n+1}}{(n+1)x^n}\right|=|x|\lim_{n\to\infty}\frac{n+2}{n+1}=|x|$

so the series has radius of convergence $R=1$ .

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3 years ago

Find the missing number so that the equation has no solutions.<br> 3x - 16 =<br> _x + 15

krok68 [10]

Answer:

3x=16

×=3.5

3.5+15=18.5

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3 years ago

Which describes the graph of y=-(x + 5)2 + 3?

algol13

Answer:

Step-by-step explanation:

Since there is a negative sign, the graph is a n shaped quadratic curve and hence, there can only be maximum point. Hence we can eliminate A and C.

For a curve in the completing the square form y = (x+a)²+b, the turning points are (-a,b). Hence in this case, turning point is at (-5, 3).

Hence the correct option is D

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3 years ago

Write an equation of the line that passes through the given point (-10,7)(5,-3)

Reptile [31]

-3 - 7 = -10
5 - -10= 15
m= -10/15 or -2/3

answer: y= -2/3x + 7

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3 years ago

Please help Hurry!.......

otez555 [7]

djhhhhdhshshsjshsbshshshsbsbdbshs

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4 years ago