Question
Plot a line graph for the variables x and y , where y = 2x + 1. Using the graph, find the value of.
  1. y, when x = 5 and
  2. x, when y = 13

Answer

We have the following table for y = 2x + 1
x
0
1
2
3
4
y
1
3
5
7
9

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