College Algebra MA 240 Online Exam 3

College Algebra MA 240 Online Exam 3.Part 1 of 1 - Lesson 3 Questions 100.0/ 100.0 Points Question 1 of 20 5.0/ 5.0 Points Write an equation in standard form of the parabola that has the same shape as the graph of f(x) = 3x2 or g(x) = -3x2 , but with the given maximum or minimum. Minimum = 0 at x = 11  A. f(x) = 6(x - 9)  B. f(x) = 3(x - 11)2  C. f(x) = 4(x + 10)  D. f(x) = 3(x2 - 15)2 Question 2 of 20 5.0/ 5.0 Points The graph of f(x) = -x2 __________ to the left and __________ to the right. 33767 Online Exam 3_03 College Algebra MA 240  A. falls; rises  B. rises; rises  C. falls; falls  D. rises; rises Question 3 of 20 5.0/ 5.0 Points If f is a polynomial function of degree n, then the graph of f has at most __________ turning points.  A. n - 3  B. n - f College Algebra MA 240  C. n - 1  D. n + f Question 4 of 20 5.0/ 5.0 Points Find the x-intercepts. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x3 + 2x2 - x - 2  A. x = 2, x = 2, x = -1; f(x) touches the x-axis at each.  B. x = -2, x = 2, x = -5; f(x) crosses the x-axis at each.