Final Exam (page 1 of 2) 2021/2022 PDF

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Anas Haj Sakor

Home  My courses  MATH 1201 - AY2021-T5  Final Exam (Days 1 - 4)  Final Exam (Proctored)

Question 1

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What is the period of y = 3cos ( 4x + π/2) + 5? Select one: a. π/4 b. π/2 c. π d. 2π e. –π Clear my choice

Question 2

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If I invest $10,000 at 5% compounded monthly, how much will I have in 8 years? Choose the closest answer.  Select one: a. $5,000 b. $10,000 c. $15,000 d. $20,000 e. $25, 000 Clear my choice

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Question 3

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What is the vertex of f(x) = x + 3x + 2? Select one: a. 7 b. (0, 2) c. (-3/2, -1/4) d. -3/2 e. None of these Clear my choice

Question 4

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What is the equation of the line passing through (1, –4) and parallel to y = –x + 1? Select one: a. –x + y + 3 = 0 b. x – y + 3 = 0 c. x + y – 3 = 0 d. x + y + 3 = 0 e. None of these Clear my choice

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Question 5

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What is the equation of a line through (-1, 4) and (-2, 7)? Select one: a. y = 3x + 1 b. y = -3x + 1 c. y = -3x + 7 d. y = 3x + 7 e. None of these Clear my choice

Question 6

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On a circle of radius 2, center (0, 0), nd the x and y coordinates at angle 270 degrees (or 3π/2 in radian measure). Select one: a. (2, –2) b. (2, 0) c. (0, –2) d. (0, 2) e. (2, 2) Clear my choice

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Question 7

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What is the period of y = 3cos (8x + π/2) + 5? Select one: a. 2π b. π c. π/2 d. π/3 e. π/4 Clear my choice

Question 8

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If an ant is 100 feet away from a tree growing straight up, and the ant has to look up at an angle of 68 degrees to see the top of the tree, how tall is the tree? Select the closest answer. Select one: a. 200 feet b. 140 feet c. 80 feet d. 20 feet e. 10 feet Clear my choice

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Question 9

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What are the possible rational roots of f(x) = 3x – x + x – x + 5? Select one: a. {±1, ±5} b. {±1/3, ±5/3} c. {±1, ±1/3, ±5, ±5/3} d. {1, 1/5, 3, 3/5} e. {1, 1/3, 5, 5/3} Clear my choice

Question 10

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Solve the system: 2x + 3y = 7, 3x - 5y = 1 Select one: a. (2, 1) b. (1, 2) c. (0, 0) d. There is no solution e. None of these Clear my choice

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