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creativ13 [48]
2 years ago
11

explain how the graph of y=-2sin(x)-1 differs from the parent function. Make sure to compare key points used for graphing

Mathematics
1 answer:
Anna35 [415]2 years ago
5 0
You can obtain the graph of the function y=-2sinx-1 from the graph of the function y=sinx making such transformations:
1.  <span>the multiplication by -2 increases y value twice and then  symmetrically reflects the graph y=2sinx about the x-axis;</span>
2. adding -1 to the  <span>y=-2sinx you translate the graph 1 unit down.
</span><span>
</span><span>On the added picture black line is a graph of y=sinx and red line is a graph of y=-2sinx-1.</span>

Check:
1. When x=0, y=-2sin0-1=-1;
2. When x= \frac{3\pi}{2}, then y=-2\sin  \frac{3\pi}{2} -1=-2(-1)-1=2-1=1.


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4 0
3 years ago
3. Marilyn purchased 400 shares of stock for $22.75 per
Mazyrski [523]

The percent gain is 52.1%

Step-by-step explanation:

Given

Purchase price of one share = $22.75

Sale price of one share = $34.60

Total shares = 400

So,

Total purchase price of shares = 22.75*400 = $9100

Total sale price of shares = 34.60*400 = $13840

Total capital gain:

= Sale\ price - Purchase\ price\\= 13840 - 9100\\=4740

Percent capital gain is given by:

Capital\ gain = \frac{Capital\ gain}{Purchase\ price} * 100\\= \frac{4740}{9100} * 100\\=0.5208*100\\=52.08

Rounding off to nearest tenth

52.1%

Hence,

The percent gain is 52.1%

Keywords: Percentage, capital gain

Learn more about percentage at:

  • brainly.com/question/663692
  • brainly.com/question/6569012

#LearnwithBrainly

6 0
3 years ago
The prime factorization of 25 is .
Setler [38]

Answer:

\pi \: the \: prime \: factorization \: of \: 25 \: is \: 5 \: x \: 5 \:

Step-by-step explanation:

\pi\pi \: hope \: it \: works \: out \: \pi\pi\pi

4 0
3 years ago
Whats the vertex form of y=x^2-20x+15
Sveta_85 [38]
This looks like a parabola so:
y=x^2 - 20x + 15  -->  x^2 - 20x +15=y
(x^2 -20x)=y - 15  -->  (x - 10)^2=y - 15 +100  ( used complete the square)
(x - 10)^2=y + 85

6 0
3 years ago
Which equations are equivalent to y=2/3x-4 when written in slope-intercept form? Check all that apply.
Vlada [557]

Answer:

B and C

Step-by-step explanation:

The reason is on the picture.

4 0
3 years ago
Read 2 more answers
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