3 years ago

Which function does NOT have a range of all real numbers?

Mathematics

1 answer:

lesya692 [45]3 years ago

3 0

Answer:

Step-by-step explanation:

D is the correct answer

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Determine the radius of convergence of the following power series. Then test the endpoints to determine the interval of converge

tresset_1 [31]

Answer:

Radius of the convergence is R = $\frac{1}{21}$

and,

The Interval of convergence is $-\frac{1}{21}$

Step-by-step explanation:

Given function : Σ(21x)^k

Now,

Using the ratio test, we have

R = $\lim_{n \to \infty} |\frac{21x^{k+1}}{21x^{k}}|$

R = $\lim_{n \to \infty} |\frac{21x^{k}\times21x^{1}}{21x^{k}}|$

R = $\lim_{n \to \infty} |21x^{1}|$

now,

for convergence R|x| < 1

Therefore,

$\lim_{n \to \infty} |21x^{1}|$ < 1

$-\frac{1}{21}$

and,

Radius of the convergence is R = $\frac{1}{21}$

and,

The Interval of convergence is $-\frac{1}{21}$

8 0

2 years ago

A circle has its center at the point X, and points A, W, and Y lie on the circle. Which line segment could not be a chord of the

Mumz [18]

Answer:

A. XY

Step-by-step explanation:

A chord has both ends on the circle. Point X is not on the circle so segment XY is not a chord.

7 0

2 years ago

3.896 rounded to the nearest whole number

lisov135 [29]

Answer:

Step-by-step explanation:

6 0

2 years ago

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DECIMALS

s344n2d4d5 [400]

Answer:

154

Step-by-step explanation:

86.192 and 68.36 rounded up to the nearest whole is 86 plus 68 would be 154

4 0

2 years ago

10.04 × 8.8= ?<br><br>can you help me again please

ANEK [815]

Answer:

10.04 × 8.8 =?, ? = 88.352 :)

7 0

2 years ago

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