Instruction: Need someone who can solve this. Please show your solution. Make sure the answer is right ma'am sir.

5 5 5 9. What is the period of the tangent function? A. 2n B. IT C. 3n D. 41 10. The graph of y = - -sin 2x is shown below, determine its domain. A. Positive real numbers C. All integers B. Negative real numbers D. All real numbers 11. What is the range of the function and graph in item number 9? A. [1, -1] B. (1, -1) c. -1 1 D. (- 12. What is the amplitude of y = -2 sin 3x? A. -2 B. -1 C. 1 D. 2 13. Which of the following functions has the graph below? A. y = 4 cos 8x B. y = 4 cos=x C. y = 4 cos=x D. y = 4 cos 4x 14. What is the period of y = -2 sin 3x? A. : B. 3x C. 2n D. 7 15. Which of the following statement is true? A. The graph of the sine function always passes through the origin B. The graph of the cosecant function is a continuous curve C. The graph of y = cos x can have an amplitude greater than 1. D. The graph of the secant function intersects the x - axis