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The vertex of the parabola is at (0.25, 5.875). Then the correct option is B.
<h3>What is the parabola?</h3>It's the locus of a moving point that keeps the same distance between a stationary point and a specified line. The focus is a non-movable point, while the directrix is a non-movable line.
The equation of parabola is given below.
y = 2x² - x + 6
Then the equation of the parabola can be written as by observing the graph will be
y = 2(x - 0.25)² + 5.875
Then the vertex of the parabola is at (0.25, 5.875).
Then the correct option is B.
More about the parabola link is given below.
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Answer:
Step-by-step explanation:
Recall that the volume of a cube is given by:
Where <em>s</em> is the side length of the cube.
The edges of the cube has an original length of 2.25 feet. It increases by 1.25 feet per hour. In other words, the length <em>s</em> after <em>h</em> hours can be modeled by the equation:
Substitute. Hence, our function is:
Carlo's scaled bridge model spans 6 inch.
Actual bridge spans 50 feet.
We know that,
1 feet = 12 inches.
i.e =
actual bridge span = 600 inches.
Scale factor of the model is,
=
That means the scale model is 0.01 time smaller than actual model.