MAC1105 Tallahassee Community Functions & Leading Coefficients Exam

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Mathematics

MAC1105

Tallahassee Community College

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Solve a few college algebra assignments, primarily based on functions, vertex, leading coefficients, intervals

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MAC 1105 Exam 2  - Form 2 - Page 5 of 7 4. (4 points) Let f(x) = 4x4-7x9-2x3+3 (a) (2 points) What is the degree of f? (b) (2 points) what is the leading coefficient of f?

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MAC 1105 Exam 2 - Form 2 - Page 5 of 7 4. (4 points) Let f(x) = 4x4 -73° -233 +3. (a) (2 points) What is the degree of f? (b) (2 points) What is the leading coefficient of f? 5. (6 points) Use the following graph of y = f(x) to answer the questions, (a) (2 points) What intervals of z is f(x) increasing? (b) (2 points) What intervals of r is f(x) decreasing? (c) (1 point) The local maximum at x = (d) (1 point) The local minimum at = MAC 1105 Exam 2 - Form 2 - Page 3 of 7 7. (4 points) Select the vertex of the parabola given by g(x) = 4.12 - 24x + 11. a. (-3, 119) b. (3,119) c. (3,-25) d. (-3,-25) 8. (4 points) A parabola has a vertex of (4.-6). Which of the following is the axis (line) of symmetry? a. Y = -6 b. y= 4 c. =4 d. = -6 Non-Multiple Choice Part: The following questions are not multiple choice. You will not receive credit for answers with no work if work is required. 3r - 5 1. (4 points) Circle all answer choices for the vertical asymptotes of f(x) = There (x + 2)(x - 1) may be more than one answer. b. x=1 c. = -2 d. There are no vertical asymptotes. MAC 1105 Exam 2 - Form 2 - Page 4 of 7 2. (3 points) Use the following piecewise function to evaluate. (22 +7 if r < 2 f(x) = 7 if 2
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I was having a hard time with this subject, and this was a great help.

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