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Inverse Functions in Real Life
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Inverse Functions in Real Life
Real Life Sitautaion 3
A large group of students are asked to memorize 50 italian words. The group wants to know how many words are retained in a period of time.
f(x) = (6x+50)/x
Real Life Situations 2
Maggie Watts
Clarence Gilbert
Tierra Jones
Cost of Removing Pollutants
f(x) = 1/(x-10)
x/x does not equal 10
y/y does not equal 0
Real Life Situations 1
Real Life Situations 4
Do you know what a function is?
Rules & Relationships of an Inverse Function
Buying something that decreased after the first purchase.
If your first movie rental costs $4 and then every rental after that costs $2.
f(x) = 2x +2/x
- A function is a relationship or expression involving one or more variables.
- An inverse function is a function obtained by expressing the dependent variable of one function as the independent variable of another
Real Life Situations 5
- The variables in an inverse function can represent a concept or item that can be represented by numbers.
A trucker drives 3 hours on a freeway at 60 miles per hour and then drove 20 miles in the city. The trucker's average speed was 57.14 miles per hour.
57.14 = (3 * 60 + 20)/(3 + x)
Real Life Sitautions 6
- The rule of an inverse function consists of being not equal to a number.