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Elina [12.6K]
1 year ago
15

Does this graph represent a function?

Mathematics
1 answer:
murzikaleks [220]1 year ago
4 0

The graph doesn't represent a function

f(x) 3 because D. Yes, because each x-value has exactly one corresponding y-value.

<h3>What is a function?</h3>

It should be noted that a function simply assigns the value of each element of a particular set to the other specific element of another set.

It can be seen that in the given graph, each specific value of x from the x-axis represents a value on the y-axis. Therefore, it can be concluded that the given graph is a function because each x-value has exactly one corresponding y-value.

Learn more about graph on:

brainly.com/question/19040584

#SPJ1

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H(x)= -x^2 - 4<br> i(x)=2x+3<br><br> h(i(5))
pshichka [43]
H(x) = -x² - 4
i(x) = 2x + 3

h(i(5)) = -(2(5) + 3) - 4
h(i(5)) = -(10 + 3) - 4
h(i(5)) = -(13) - 4
h(i(5)) = -13 - 4
h(i(5)) = -17
6 0
3 years ago
1.The length of a ship model is 3% of the length of the actual ship. The model is 1.5 M long. How long is the actual ship? ____M
Vilka [71]
We have to find 100% of the number. We can use proportion to get it
3% -----------1.5m
100% -------- x
crossmultiply now
3*x=1.5*100
3x=150      /:3 divide both sides by 3
x=50m

2. Similar situation
40% ------------1000
100% -----------x
crossmultiply
40*x=100*1000
40x=100000      /:40
x=2500 - its the answer
8 0
3 years ago
Can someone help me with this? Please and thank you!
sergiy2304 [10]

Answer:

She should find the squares between 4.2 and 4.3

Step-by-step explanation:

The square of 4.2 was too low and the square for 4.3 was too high so the answer is between the two.

5 0
3 years ago
Just need to know the fraction
Reptile [31]
<h3>Answer:  1/2</h3>

The midsegment is always exactly half as long compared to the side it's parallel to.

Put another way, the longer side (4x+20) is twice long as the midsegment (3x).

7 0
3 years ago
Read 2 more answers
Extreme cold and hot temperatures are known to affect the operation of electronic components. Winter is approaching and you are
Musya8 [376]

Answer:

A 95% confidence interval for the true mean minimum temperature that will damage an iPod is between 2.55°F and 7.45°F

Test statistic(Z) = 2.31

P-value = 0.0104

Step-by-step explanation:

Step 1

Null hypothesis: The average damaging temperature of nine iPods is 5°F

Alternate hypothesis: The average damaging temperature of nine iPods differs from 5°F

Step 2

Mean=5°F, Sd=3, df=n-1=9-1=8

The t-value corresponding to 8 degrees of freedom and 95% confidence level (5% significance level) is 2.306

Confidence Interval(CI) = (mean + or - t×sd/√n)

CI = (5 + 2.306×3/√8) = 5 + 6.918/2.828= 5+2.45=7.45°F

CI = (5 - 2.306×3/√8) = 5-2.45 = 2.55°F

Z = (sample mean - population mean)/(sd÷√n) = (5-2.55)/(3÷√8) = 2.45/1.061 = 2.31

Step 3

Using the standard distribution table, the cumulative area to the left of Z = 2.31 is 0.9896

P-value = 1 - 0.9896 = 0.0104

Step 4

Conclusion: A 95% confidence interval for the true mean minimum temperature that will damage an iPod is between 2.55°F and 7.45°F

7 0
3 years ago
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