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1-68.
  1. Find a possible function for each of the following graphs. Verify your equation on your graphing calculator. 1-69 HW eTool (Desmos). Homework Help ✎

    a.

    b.

You could use y = mx+b form. The slope and y-intercept are easy to see.

Or you could use point-slope form of a line.

Notice that this is a translation of y = x2.