For all functions of the form f(x) = ax^2 + bx + c, which is true when b=0
1 answer:
Answer:
The y-intercept will always be the vertex of the function.
Step-by-step explanation:
The functions with the following form are quadratic equations and have a parabolic form, which means the have a vertex. The x coordinate of the vertex is given by the following expression
. When b is equal to zero, the vertex of the function will always be the y-intercept, therefore the correct answer is the third one.
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Answer:
(a)
(b)
(c)43 times
Step-by-step explanation:
<u>Part A</u>
The paper's thickness = 0.05mm
When the paper is folded, its width doubles (increases by 100%).
The thickness of the paper grows exponentially and can be modeled by the function:
<u>Part B</u>
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<u>Part C</u>
If the thickness of the paper, g(n)=384,472,300,000 mm
Then:
You must fold the paper 43 times to make the folded paper have a thickness that is the same as the distance from the earth to the moon.