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natka813 [3]
3 years ago
14

Hello can you please help me posted picture of question

Mathematics
2 answers:
alexandr402 [8]3 years ago
7 0
The correct answer to your question is option A

The step by step solution is listed below:

(2 x^{2} +x+3)+(3 x^{2} +2x+1) \\  \\ 
=2 x^{2} +x+3+3 x^{2} +2x+1 \\  \\ 
=2 x^{2} +3 x^{2} +x+2x+3+1 \\  \\ 
=5 x^{2} +3x+4
Anna [14]3 years ago
6 0
The answer would be A. 5x^2 + 3x + 4.
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How do you do this question?
Lena [83]

Step-by-step explanation:

The Taylor series expansion is:

Tₙ(x) = ∑ f⁽ⁿ⁾(a) (x − a)ⁿ / n!

f(x) = 1/x, a = 4, and n = 3.

First, find the derivatives.

f⁽⁰⁾(4) = 1/4

f⁽¹⁾(4) = -1/(4)² = -1/16

f⁽²⁾(4) = 2/(4)³ = 1/32

f⁽³⁾(4) = -6/(4)⁴ = -3/128

Therefore:

T₃(x) = 1/4 (x − 4)⁰ / 0! − 1/16 (x − 4)¹ / 1! + 1/32 (x − 4)² / 2! − 3/128 (x − 4)³ / 3!

T₃(x) = 1/4 − 1/16 (x − 4) + 1/64 (x − 4)² − 1/256 (x − 4)³

f(x) = 1/x has a vertical asymptote at x=0 and a horizontal asymptote at y=0.  So we can eliminate the top left option.  That leaves the other three options, where f(x) is the blue line.

Now we have to determine which green line is T₃(x).  The simplest way is to notice that f(x) and T₃(x) intersect at x=4 (which makes sense, since T₃(x) is the Taylor series centered at x=4).

The bottom right graph is the only correct option.

3 0
3 years ago
?<br> What is an equation of the line that passes through the points (0,5) and (-5, 7)?
LenKa [72]

Answer:

y = 2/5x + 5

Step-by-step explanation:

y2-y1/x2-x1=

7-5/-5-0=

2/5 --> So 2/5 is the slope

3 0
2 years ago
Read 2 more answers
A diagonal shortcut across a rectangular lot is 130 feet long. The lot is 50 feet long. What is the other dimension of the lot
ryzh [129]
We use the pithagorean formula: x^2 = 130^2 - 50^2 = 16900 -2500 = 14400;
then, x = \sqrt{14400} = 120 feet has the other dimension of the lot.
6 0
3 years ago
Convert 60 quarts to gallons. 60 qt = ? gal Will the converted amount have more or fewer units than the original? ​
san4es73 [151]

Answer: 15 gallons .

Step-by-step explanation:

Step 1

4 quarts = 1 gallon

therefore 60 quarts = (60 quarts x 1 gallon) / 4 quarts

= 15 gallons .

Step 2-- The converted amount which is 15  has fewer units than the original which is 60.

7 0
3 years ago
may someone help me ASAP? I am solving polynomial equations and I don't know how to do it, here is the equation... x^4+11x^2=3x^
koban [17]

<u>Answer:</u>

x=2\sqrt{2}, x=-2\sqrt{2}, x=4i, x=-4i

<u>Step-by-step explanation:</u>

x^4+11x^2=3x^2+128

First, we subtract 128 from both sides:

x^4+11x^2-128=3x^2

Then, we subtract 3x^2 from both sides:

x^4+8x^2-128=0

Rewrite the equation:

u^2+8u-128=0

Insert and solve:

u^2+8u-128=0\\u=8,u=-16\\x^2=8:x=2\sqrt{2},x= -2\sqrt{2} \\x^2=-16:x=4i,x=-4i

<em>Please give Brainliest</em>

8 0
3 years ago
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