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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §5.1 The Idea of the Integral, #9 · Calculus · Integrals

When time is divided into weeks there are … rectangles

This problem is about the company earning $x$ per year.

When time is divided into weeks there are $4 \times 52 = 208$ rectangles. Write down the first area, the 208th area, and the $j$ th area.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §5.1 The Idea of the Integral, #9

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