Precalculus Mathematics for Calculus
Quiz 1: Fundamentals
Find a Perpendicular Line That Passes Through the Midpoint of
Find a perpendicular line that passes through the midpoint of
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Find the area of a triangle formed by the coordinate axes and the line
A particular mountain highway has a
grade. While making your accent to the top of the mountain, you notice that an elevation sign indicates that you are at an elevation of
ft. (assume this means a vertical distance from the base where you started and not from sea level). Find the change in your horizontal distance in miles. Round to two significant digits.
If the recommended adult dosage for a drug is D (in mg), then to determine the appropriate dosage c for a child of age a, pharmacists use the equation
Suppose the dosage for an adult is 400 mg. (c) Find the slope. What does it represent? (d) What is the dosage for a newborn?
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