Functions (mathematics)/Graphs/Linear function
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Linear function
[edit | edit source]Graphs
[edit | edit source]f(x) = x
[edit | edit source]Let f(x)=y . Then the value of y for all x are
x: -3 -2 -1 0 1 2 3 y: -3 -2 -1 0 1 2 3
- Plot these x,y gives a graph of a straight line which has positive slope of 1 that pass through origin at (0,0)
f(x) = -x
[edit | edit source]Let f(x)=y . Then the value of y for all x are
x: -3 -2 -1 0 1 2 3 y: 3 2 1 0 1 2 3
- Plot these x,y gives a graph of a straight line which has negative slope of 1 that pass through origin at (0,0)