Directions: Choose and write the letter of the best answer of a separate sheet of paper. 1. What are the domains of the function y = 2 cos (x +)? В. [ -2, 2) 2. What is the amplitude of y = 4 sin x ?...

Answer 1,2,4,5,6,7,8,9 and 10


Extracted text: Directions: Choose and write the letter of the best answer of a separate sheet of paper. 1. What are the domains of the function y = 2 cos (x +)? В. [ -2, 2) 2. What is the amplitude of y = 4 sin x ? A. R С. (2,-2) D. Q %3D А. 1 В. 14 С. 4 D. 2n 3. What is the period of the graph of y = -3 cos x ? А. 3 В. 2п C. π D. TT/3 4. What is the amplitude of y 5/8 cos (-8TT/3x) ? А. A. 5/8 B. 8TT/3 С. 8/5 D. 4 5. Which of the following functions is represented in this graph ? a. y=1/3sec(x/2)+1 b. b. y=1/3csc(2x)+1 C. y= 3sec(X/2)+1 d. . y=3csc(x/2)+1 6. What is the vertical shift of the function, y= 2tan (1/2 x )-3 ? A. -3 В.О С. У D. 2 7. What is the amplitude of the function, y = - А. -5 5tan(3x+ TT ) В. 5 С.3 D. T 8. Which of the following periods BEST describes this function, y = tan (x- T/3) ? А. 2т 9. What is the period of the function y = 2 tan (1/4 x )? b. TT С. Зтт/2 d. 3TT b. TT С. Зтт/2 d. 4TT a. 2TT %3D 10. What is the period of y cot (x+ TT/6)? b. T С. Зтт/2 d. 3TT a. 2TT 12