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Mathematics 13 Online
OpenStudy (anonymous):

Suppose that the graph of y = f(x) contains the point (5,3). Find a point on the graph of y = 2f(x)-4.

OpenStudy (anonymous):

0. -4 is a point. 1, -2 is another point

OpenStudy (anonymous):

\[y=2f(x)-4\] put x = 5 get \[y=2f(5)-4=2\times 3-4=6-4=2\]

OpenStudy (anonymous):

so you know (5,2) is a point on the graph of y

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