The range of the quadratic function is [-1, ∞) after plotting the function on the coordinate plane.
<h3>What is a function?</h3>
It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
It is given that:
The function is:
f(x) = (x - 4)(x - 2)
The above function is a quadratic function.
The above function can be written as:
f(x) = x² - 6x + 8
From the graph,
The minimum value of graph at x = 3 is y = -1
The range of the function is [-1, ∞)
Thus, the range of the quadratic function is [-1, ∞) after plotting the function on the coordinate plane.
Learn more about the function here:
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Answer:
It will take 5 hours until it reaches its maximum concentration.
Step-by-step explanation:
The maximum concentration will happen in t hours. t is found when
In this problem
Applying the quotient derivative formula
A fraction is equal to zero when the numerator is 0. So
We use only positive value.
It will take 5 hours until it reaches its maximum concentration.
Answer:The answer is D.
Step-by-step explanation:
The break ended at 4pm when he was at 15 km.
The ride ended at 6pm when he was at 45 km.
From 4 to 6pm he rode 45 - 15 = 30 km.
Based on the graph given, the sunflower's growth can be described as being fast in the early growth stage. It then slowed down in the middle growth stage and then levelled out in the late growth stage.
<h3>How did the sunflower grow?</h3>
In the early stage of growth, the sunflower grew very fast. This stage can be seen between the time the sunflower was planted and 6 weeks later.
The average growth rate was:
= 200 cm / 6 weeks
= 33.3 cm/week
In the middle stage, the growth rate decreased and this happened between the 6th and 10th weeks. The average growth rate was:
= (250 - 200) / (10 - 6)
= 12.5 cm / week
This growth then levelled out from the 10th week onwards.
Find out more on the growth cycle of plants at brainly.com/question/417970
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