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Home > PC > Chapter 2 > Lesson 2.3.3 > Problem 2-100


Find a rule for a linear function such that and .

  1. Use the result from above to express in sigma notation.

    Find the slope of the line going through and .

    Substitute the point and the slope in the point-slope form to find the equation.

    Write the Sigma notation.

  2. Find the sum in part (a).

    Add up the terms.