For the given function, we have:
Domain: (-∞, ∞)
Range: [-2, ∞)
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How to find the domain and range of the given function?</h3>
Remember that for a function the domain is the set of the possible inputs while the range is the set of the outputs.
On the graph, we can see a quadratic equation, remember that for every polynomial the domain is the set of all the real values, the same is for this case, so we conclude that the domain is:
D: (-∞, ∞)
The range will be the set of all values larger than the minimum of the parabola, which is at the vertex.
On the graph, we can see that the minimum is y = -2, then the range is:
R: [-2, ∞)
If you want to learn more about range and domains:
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Let the time taken for the first pipe to fill the pool be x hours
time taken for second pipe to fill the pool is (x+7) hours
time taken for both pipes to fill the pull =(x-9) hours
thus fraction of time taken for both will be written as:
1/(x-9)
thus total fraction for pipe 1 and 2 will be
1/x+1/(x+7)=1/(x-9)
solving for x we get:
x=-3 or x=21
but time is positive, then time taken by first pipe is 21 hours
time taken by both pipes will be 21-9=12 hours
Answer:
D: 70cm
Step-by-step explanation:
I now this is the answer because I took the test And also i am in k12
Hey there!
22100 : 19.3
x : 100
Nearest whole number = 114508
Answer : Total employees = 114,508
Hope this helps. - M
