ACTIVITY

Answer the following questions. Write the correct answer.

III. PRE-ASSESSMENT Part 1 Let us find out first what you already know related to the content of this module. Answer all items. Choose the letter that best answers each question. Please take note of the items/questions that you will not be able to answer correctly and revisit them as you go through this module for self-assessment. 1. What should n be if ((x) = x" defines a polynomial function? A. an integer C. any number B. a nonnegative integer D. any number except 0 2. Which of the following is an example of a polynomial function? A. f(x)=-+3x -1 C. f(x)=7x-2x' B. f(x) = 2xi _3x D. f(x) = x+v3x-5 3. What is the leading coefficient of the polynomial function f(x) = 2x + x' +4? A. 1 C. 3 B. 2 D. 4 4. How should the polynomial function f(x) = 2x + x' +3x* +4 be written in standard form? A. f(x) = x' +2x+3x*+4 C. f(x) = 4+2x+x3+3x" B. f(x) =4+3x"+2x +x D. f(x) = 3x5 +x3+2x +4 5. Which of the following could be the graph of the polynomial function y- x -4x3 +3x-12? +10 B. 17 D.6. From the choices, which polynomial function in factored form represents the given graph? A. y =(x+2)(x+1)(x-1) W. B. y = (x+1)(x -1)(x-2) C. y =x(x +2)(x+1)(x-1) D. y = x(x+1)(x-1)(x-2) 7. If you will draw the graph of y = x(x + 2) , how will you sketch it with respect to the x-axis? A. Sketch it crossing both (-2,0) and (0,0) B. Sketch it crossing (-2,0) and tangent at (0,0). C. Sketch it tangent at (-2,0) and crossing (0,0). D. Sketch it tangent at both (-2,0) and (0,0). 8. What are the end behaviors of the graph of f(x) = -2x + x* +3x -4? A. rises to the left and falls to the right B. falls to the left and rises to the right C. rises to both directions D. falls to both directions 9. You are asked to illustrate the sketch of f(x) = x3 -3x* +4 using its properties. Which will be your sketch? 1-10 A. B. C