DOMAIN, RANGE, AND INTERCEPTS NOTES: 9/8. DOMAIN The set of all input values of a function.  x RANGE The set of all output values of a function.  f(x)

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Presentation transcript:

DOMAIN, RANGE, AND INTERCEPTS NOTES: 9/8

DOMAIN The set of all input values of a function.  x RANGE The set of all output values of a function.  f(x) or y

DOMAIN AND RANGE OF… A table or ordered pairs: (5,3), (8, -1), (20,4) D: {-1, 5, 8, } R: {-1, 3, 4}

DOMAIN AND RANGE OF… A graph:

INTERCEPTS X-intercept: the point(s) where the graph crosses the x- axis y-intercept: the point where the graph crosses the y-axis To find the x-intercept, plug in zero for y and solve To find the y-intercept, plug in zero for x and solve

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