Graph y = (x - 1) 2 + 2. Click on the graph until the graph of y = (x - 1) 2 + 2 appears.

Mathematics

2 answers:

strojnjashka [21]3 years ago

6 0

The vertex at (1,2) and from there use this to make the graph.

over 1, up 1. over 2 up 4, over 3 up 9. and if you know its right side, you know its left side too.

ehidna [41]3 years ago

3 0

Answer with explanation:

The given function is

→ y= (x-1)²+2

→ y-2= (x-1)²

To find the vertex,

→y-2=0

→ y=2

And, x-1=0→x=1

So,the vertex of the given parabola is , (1,2).

To plot, the graph of the function find few ordered pair (x,y) and join them.

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Answer:

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In preparation for an earnings report, a large retailer wants to estimate p= the proportion of annual sales

mr Goodwill [35]

Using the z-distribution, it is found that the 95% confidence interval for the proportion of sales that occured in December is (0.1648, 0.2948).

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which:

$\pi$ is the sample proportion.

z is the critical value.

n is the sample size.

In this problem, we have a 95% confidence level, hence $\alpha = 0.95$ , z is the value of Z that has a p-value of $\frac{1+0.95}{2} = 0.975$ , so the critical value is z = 1.96.