Quiz 1: Drawing and understanding graphs, linear functions

Problem 1) Draw the graph of

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Problem 2) Match the functions and their graphs

A)
B)
C)
D)
E)

I	II	III

IV	V

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Problem 3) Draw the graph of f(x,y)=6-3x-2y

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Problem 4) The table below gives voltage, V, as a function of current, I, and resistance, R. Based on this table, is V a linear function of I and R?

	R=1	R= 2	R= 3	R= 4	R= 5	R= 6
I=1	1	2	3	4	5	6
I=2	2	4	6	8	10	12
I=3	3	6	9	12	15	18
I=4	4	8	12	16	20	24
I=5	5	10	15	20	25	30
I=6	6	12	18	24	30	36

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