lesson20outline

lesson20outline - MA 153 Lesson 20 Outline Quiz Solutions...

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MA 153 Lesson 20 Outline Quiz Solutions (Practice problems for distance learning students) 1. Find the slope of the line perpendicular to the line 2 1 3 yx = −+ . Slope of given line 2 3 =− Slope of line perpendicular is negative reciprocal or 3 2 2. Find the general form ( ) ax by c += for the equation of a line through and . () 4,3 A 2,4 B 34 1 1 42 6 6 1 6 1 63 6 4 6 61 8 4 62 2 m xy −− == = −= + ⎛⎞ + ⎜⎟ ⎝⎠ −=+ Answering of homework questions over lesson 20. Lesson 20 Section 3.4 Functions Domain: Inputs so outputs are real. Range: outputs Output F(x) operation Input x

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Example: Is a function: Each x maps to only one y x y Example: Not a function: One x maps to two

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This document was uploaded on 01/21/2012.

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lesson20outline - MA 153 Lesson 20 Outline Quiz Solutions...

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