## [answered] Mathematics 30-1: Module 4 D7: 1 Assignment MODULE 4 LESSON

please answers all the questions for me. And i do not understand any of the questions and how to graph properly?

Mathematics 30-1: Module 4 D7: 1 Assignment MODULE 4 LESSON 7 ASSIGNMENT

(Graphing and Transforming Sine and Cosine, Functions 2) /20 marks

1. On grid paper, graph y = 2 cos [ 3 ( x - p) ] - 1 over the domain - 2p ? x ? 2p . Explain your

process.

5

p ?

2. On grid paper, graph f ( ) = sin ? + ?over the domain 2 x 2. Explain your process.

3

4 ?

?

?

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Answer: (3) 3. Use the partial graph of f(x) to complete the questions that follow. Assume f(x) is a sine function. ? 2012 Alberta Education Mathematics 30-1: Module 4 2 Assignment a. Determine the domain and range of the function.

Answer: (3) b. Determine the amplitude, period, phase shift, and vertical displacement for the function.

Answer: (3) c. Determine an equation, in standard form, for f(x).

Answer: (3) 4. Recall the information in Focus about the lynx and the hare. Suppose a trigonometric function of

the form y a cos [b(x c)] d was used to model the lynx population.

a. What information would each parameter (a, b, c, and d) provide about the lynx population?

Answer: (3) ? 2012 Alberta Education Mathematics 30-1: Module 4 3 b. What flaws do you see modelling this data using y a cos [b(x c)] d? Answer: (3) Submit your completed Lesson 7 Assignment to the dropbox D7 for assessment. ? 2012 Alberta Education Assignment

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