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2 years ago

What is the inverse function? Can any math experts help please

Mathematics

2 answers:

kaheart [24]2 years ago

8 0

Answer:

f^-1(x) = (4x + 3)^2

bija089 [108]2 years ago

4 0

To solve this problem you need to interchange the variables then solve for y.

In this case, there is no inverse for this equation.

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A software company decided to conduct a survey on customer satisfaction. Out of 564 customers who participated in the online sur

nikklg [1K]

Answer:

$z=\frac{0.0904 -0.1}{\sqrt{\frac{0.1(1-0.1)}{564}}}=-0.760 \approx -0.8$

$p_v =2*P(z$

Step-by-step explanation:

Information given

n=564 represent the sample selected

X=51 represent the number of people who rated the overall services as poor

$\hat p=\frac{51}{564}=0.0904$ estimated proportion of people who rated the overall services as poor

$p_o=0.1$ is the value to compare

z would represent the statistic

Hypothsis to analyze

We want to analyze if the proportion of customers who would rate the overall car rental services as poor is 0.1, so then the system of hypothesis are:

Null hypothesis: $p=0.1$

Alternative hypothesis: $p \neq 0.1$

The statistic for a one z test for a proportion is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing the info given we got:

$z=\frac{0.0904 -0.1}{\sqrt{\frac{0.1(1-0.1)}{564}}}=-0.760 \approx -0.8$

And the p value since we have a bilateral test is given b:

$p_v =2*P(z$

3 0

3 years ago

When Janelle woke up, it was –3 degrees Fahrenheit outside. As the morning progressed, the temperature rose 2 degrees every hour

m_a_m_a [10]

Answer: g(x)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

How do I solve this?

ziro4ka [17]

Answer:

YZ= 2.8

Step-by-step explanation:

3n+5=8n-9

-3n -3n

5=5n-9

+9. +9

14=5n

14÷5

2.8=n

8 0

3 years ago

Solve for<br>30 + 9<br>43<br>a =

Bingel [31]

Answer:

a=39

Step-by-step explanation:

4 0

2 years ago

The length of a rectangle is 1 foot less than twice the width. If the area is 45 ft2, find the length and width.

STatiana [176]

A) Width = 9/2, length = 10

Rectangle area = length(l)x width(w)

9/2 = 4.5

4.5(l) x 10(w) = 45ft

8 0

2 years ago