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2.01.4.Literacy - -3 [email protected] x Look at the plot and then use...

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Accumulation Authors: Bill Davis, Horacio Porta and Jerry Uhl ©1996-2007 Publisher: Math Everywhere, Inc. Version 6.0 2.01 Integrals for Measuring Area LITERACY What you should be able to handle away from the machine. · L.1) Here's a plot of f @ x D = 4 x e - x 2 : - 3 - 2 - 1 1 2 3 x - 1.5 - 1.0 - 0.5 0.5 1.0 1.5 f @ x D Look at the plot and then use the words positive, negative, or zero to complete the blanks: Ÿ - 3 3 f @ x D x_____________________. Ÿ 0 3 f @ x D x _____________________. Ÿ - 3 0 f @ x D x_____________________. Ÿ - 1 2 f @ x D x_____________________. · L.2) Here's a plot of f @ x D = x e 0.5 x : - 3 - 2 - 1 1 2 3 x 2 4 6 8 10 12 f @ x D Look at the plot and then use the words positive, negative, or zero to complete the blanks: Ÿ - 3 3 f @ x D x_____________________. Ÿ 0 3 f @ x D x _____________________. Ÿ - 3 0 f @ x D x_____________________. Ÿ - 1 2 f @ x D x_____________________. · L.3) Here's a plot of f @ x D = 2 Sin @ x D 2 : - 3 - 2 - 1 1 2 3 x 0.5 1.0 1.5 2.0 f @ x D Look at the plot and then use the words positive, negative, or zero to complete the blanks: Ÿ - 3 3 f @ x D x_____________________. Ÿ 0 3 f @ x D x _____________________. Ÿ - 3 0 f @ x D x_____________________. Ÿ - 1 2 f @ x D x_____________________. · L.4) How do you know in advance with no calculation that: Ÿ - 2 2 x 3 x = 0, Ÿ - 1 2 x 3 x > 0, and Ÿ - 2 1 x 3 x < 0?
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