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ololo11 [35]
3 years ago
7

Given the function g(x) = (x + 3)^2. Martin says the graph should be translated right 3 units from the parent graph f(x) = x^2.

Explain his error.

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
8 0

Answer:

Martin is wrong because in the Graph we can clearly see that the graph will be translated left 3 unit from the parent graph. The vertex point will be (-3,0)

Step-by-step explanation:

GenaCL600 [577]3 years ago
7 0

Answer: Martin used (x + h)² instead of (x - h)²

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

The vertex form of a quadratic equation is: y = a(x - h)² + k    where

  • "a" is the vertical stretch
  • -a is a reflection over the x-axis
  • h is the horizontal shift (positive = right, negative = left)
  • k is the vertical shift (positive = up, negative = down)

f(x) = x²

g(x) = (x + 3)²

                ↓      

              h= -3

           Shifted LEFT 3 units

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Answer:

social media mentions do managers at Apple need to collect, if they want to get a margin of error of 2%

Sample size 'n' = 625

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given data Apple launches an ad campaign for iPhone 12

Managers want to know what is the % of social media mentions that have positive reactions to the new ad campaign

probability of positive reactions p = 1/2

Probability of negative reactions q = 1-p = 1/2

we know that \sqrt{p(1-p}\leq \frac{1}{2}

<u><em>Step(ii):</em></u>-

Given margin of error  = 2 % =0.02

The margin of error is determined by

          M.E = \frac{\sqrt{p(1-p} }{\sqrt{n} }

         0.02 = \frac{\frac{1}{2}  }{\sqrt{n} }

        \sqrt{n} =\frac{1}{2 X0.02}

        √n = 25

squaring on both sides, we get

       n = 625

8 0
3 years ago
Tom eats a breakfast that contains 200 calories. After he eats, Tom
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Answer:

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Answer:

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My calculator work will be posted below for reference.

Unit Name: Two-Step Equations

<h2><u><em>If you need any more help or explanation, follow up in the comments below! :P</em></u></h2>

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