Videos, worksheets, solutions, and activities to help PreCalculus students learn about power functions and variations.

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More Pre-Calculus Lessons

A power function is a function that can be written in the form

f(

The power function formulas with positive powers are statements of direct variation.

The power function formulas with negative powers are statements of inverse variation.

Compare Monomials and Power Functions.

Joint Variation, Finding a power function from a table.

1) Charles' Law: The volume of an enclosed gas (at constant pressure) varies directly as the absolute temperature. If the pressure of 3.46L sample of neon gas at 302 degK is 0.926 atm, what would be the volume at a temperature of 338 degK, if the pressure does not change?

2) The weight that a board can support varies jointly with its width and the square of its thickness. A baord 8 feet long, 4 inches wide and 2 inches thick can support 200 pounds. How much weight could a board

Power Functions Degree End Behavior Even and Odd Functions

Write the equation of the power function p(x) that passes through a point.

A function is even if f(-x) = f(x)

A function is odd if f(x) = -f(x)

Power functions are functions where y = x

How we identify odd power functions and even power functions.

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