If the point (3,8) is on the graph of a function f, then f(_)=_. If g(-2), then (_,_) is a point on the graph of g.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.8: one-to-one Functions And Their Inverses
Problem 5E: If the point (3,4) is on the graph of the function f , then the point ( __ , __ ) Is on the graph of...
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If the point (3,8) is on the graph of a function f, then f(_)=_. If g(-2), then (_,_) is a point on the graph of g.

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Step 1

As we know that any point on a graph in 2D is represented as (x,y) where f(x)=y

If the point (3,8) is on the graph of a function f, then f(3)=8.

 

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