Topic 3 Function Notation Review

The volume of water (V) used to wash dishes can be represented as a function of the amount of time the job takes (t).

Represent this function using function notation.

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CCSS.HSF.IF.A.2

The value V in dollars of a rare coin can be modeled by the function V=f(a) where a represents the age of the coin in years.

Interpret the meaning of 1500=f(60) using the context of the problem.

• 1500 dollars, 60 years

• The coin is worth $60 after 1500 years

• A coin that is 60 years old is worth $1500.

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CCSS.HSF.IF.A.2

Find f(-2)

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CCSS.HSF.IF.A.2

Find the value of x when f(x)=3.

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CCSS.HSF.IF.A.2

Find f(‒3).

f(x)=2x-7

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CCSS.HSF.IF.A.2

Find g(6).

g(x)= ‒x²+5x

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CCSS.HSF.IF.A.2