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3 years ago

What are the domain and range of the function on the graph?

1 answer:

8 0

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the

x -axis. The range is the set of possible output values, which are shown on the

y -axis. Keep in mind that if the graph continues beyond the portion of the graph we can see, the domain and range may be greater than the visible values.

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PLEASE HELP QUICK!!! Six friends, four boys and two girls, went to a movie theater. They wanted to sit in a way so no girl sits

GenaCL600 [577]

Answer:

I think the answer is 6

Step-by-step explanation:

B = Boy

G = Girl

B G G B B B

B G B G B B

B G B B G B

B B G G B B

B B G B G B

B B B G G B

3 0

3 years ago

A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard. Find a

vekshin1

Answer: $(13.28\%,\ 18.72\%)$

Step-by-step explanation:

Given : A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard.

i.e. n= 700 and x= 112

Sample proportion : $\hat{p}=\dfrac{x}{n}=\dfrac{112}{700}=0.16$

z-value for 95% confidence interval : $z_c=1.960$

Now, the 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard will be :-

$\hat{p}\pm z_c\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$=0.16\pm (1.96)\sqrt{\dfrac{0.16(1-0.16)}{700}}$

$=0.16\pm (1.96)(0.013856)\\\\\approx 0.16\pm0.0272\\\\ =(0.16-0.0272,\ 0.16+0.0272)=(0.1328,\ 0.1872)=(13.28\%,\ 18.72\%)$

Hence, 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard : $(13.28\%,\ 18.72\%)$

6 0

3 years ago

please help me if you can if your going to say I'm cheating i don't care cause i know I'm not thanks!!

ycow [4]

Answer:

Step-by-step explanation:

a.) the maximum is just the vertex

-35/(2*-4.9)= it takes 3.5714 seconds to hit the maximum

which in height is

-4.9*3.5714^2+35*3.5714 +1= 63.5 metres

b.) for this just plug in 2

-4.9*2^2+35*2+1= 51.4 metres

c.) just plug in f(0) =1 meter

d.) find the x intercepts (using the quadratic formula)

$\frac{-35-\sqrt{35^2-4*-4.9*1}}{2*-4.9}=7.17131519096$ seconds

(there is another answer but it doesn't make sense in the context of this question)

4 0

3 years ago

Solve the following system of equations.<br> 2x +y = 3 = 3<br> 2 = 2y - 1 - 1

sukhopar [10]

Answer: or (1,1)

Step-by-step explanation:

You can apply the Method of substitution.

Knowing that (second equation), you can substitute it into the first equation and solve for the variable y:

Now you need to substitute into the second equation to calculate the value of the variable x. Then:

Then, the solution is:

or (1,1)

3 0

3 years ago

Which graph is correct for the equation

Brrunno [24]

Answer:

I think the answer is C.

Step-by-step explanation:

5 0

3 years ago

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