8.3 using accumulation functions and definite integrals in

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8.3 Using Accumulation functions and Definite integrals in Applied Problems

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8.3 Using Accumulation functions and Definite integrals in Applied Problems

8.3 Using Accumulation functions and Definite integrals in Applied Problems

Objective:β€’ Interpret the meaning of a definite integral in

accumulation problem.

β€’ Determine net change using definite integral in applied context.

Vocabs:Rate of change

Definite Integral

Accumulation function

Area under the graph

Definite Integral:

π΄π‘Ÿπ‘’π‘Ž = ΰΆ±π‘Ž

𝑏

𝑓 π‘₯ 𝑑π‘₯

ΰΆ±π‘Ž

𝑏

𝑓 π‘₯ 𝑑π‘₯ = π‘β„Žπ‘Žπ‘›π‘”π‘’ 𝑖𝑛 π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ π‘Ž < 𝑑 < 𝑏.

π‘‡π‘œπ‘‘π‘Žπ‘™ π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ = πΌπ‘›π‘–π‘‘π‘–π‘Žπ‘™ π‘‰π‘Žπ‘™π‘’π‘’ + ΰΆ±π‘Ž

𝑏

𝑓 π‘₯ 𝑑π‘₯

Note: 𝑝 𝑑 = ′𝑝 𝑑 𝑑𝑑