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nikklg [1K]
2 years ago
9

Which of the following functions would not graph as a straight line?

Mathematics
2 answers:
spin [16.1K]2 years ago
5 0

Answer:

A) f (x) = -x^{2}- 3

Step-by-step explanation:

Furkat [3]2 years ago
5 0
The answer is A. f(x)=-x^2-3
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What is the measure of 1,2, and 3
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You did not give the whole picture, soory

Step-by-step explanation:

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2 years ago
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2+2<br> Show your work and the first answer gets a brainliest
bazaltina [42]

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Four/4

Step-by-step explanation:

Add both numbers together.

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4

8 0
3 years ago
Can someone help me solve this<br> (show work)
Free_Kalibri [48]

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y=x+31.25

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Step-by-step explanation:

6 0
2 years ago
A private and a public university are located in the same city. For the private university, 1038 alumni were surveyed and 647 sa
Snezhnost [94]

Answer:

The difference in the sample proportions is not statistically significant at 0.05 significance level.

Step-by-step explanation:

Significance level is missing, it is  α=0.05

Let p(public) be the proportion of alumni of the public university who attended at least one class reunion  

p(private) be the proportion of alumni of the private university who attended at least one class reunion  

Hypotheses are:

H_{0}: p(public) = p(private)

H_{a}: p(public) ≠ p(private)

The formula for the test statistic is given as:

z=\frac{p1-p2}{\sqrt{{p*(1-p)*(\frac{1}{n1} +\frac{1}{n2}) }}} where

  • p1 is the sample proportion of  public university students who attended at least one class reunion  (\frac{808}{1311}=0.616)
  • p2 is the sample proportion of private university students who attended at least one class reunion  (\frac{647}{1038}=0.623)
  • p is the pool proportion of p1 and p2 (\frac{808+647}{1311+1038}=0.619)
  • n1 is the sample size of the alumni from public university (1311)
  • n2 is the sample size of the students from private university (1038)

Then z=\frac{0.616-0.623}{\sqrt{{0.619*0.381*(\frac{1}{1311} +\frac{1}{1038}) }}} =-0.207

Since p-value of the test statistic is 0.836>0.05 we fail to reject the null hypothesis.  

6 0
3 years ago
Find the value of x.
Anna [14]

Answer:

55.7°

Step-by-step explanation:

I hope this helps.

7 0
2 years ago
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