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how to do functions on a graph. The simplest is to use the free website Wolfram Alpha. Rectangular Coordinates - the system we use to graph our functions.
F xsqrt x is a function. Determine functions that model circular and periodic motion. So here theyre saying look what gets output when we input x is equal to negative 1.
Finding function values from a graph worksheet.
Given a graph use the vertical line test to determine if the graph represents a function. Graph the piecewise function shown below. Inspect the graph to see if any vertical line drawn would intersect the curve more than once. It tells us given the allowed inputs into our function what would the function output.