College Algebra Questions With Answers
Sample 2
A set of college algebra multiple choice questions, with answers, are presented. The answers are at the bottom of the page.
Question 1How many x intercepts does the graph of the function f(x) = x 3 + 4 have?A. 0 B. 1 C. 2 D. 3 Question 2If Logb(5) = c, then b 4c =A. 4 B. 5 C. 25 D. 625 Question 3How many points of intersection do the graphs of the functions f(x) = x 2 and g(x) = 2 x have?A. 1 B. 2 C. 3 D. 4 Question 4The range of the function f(x) = -x 2 + 2x - 5 is given byA. (0 , infity) B. (-infinity , 4] C. (-infinity , - 4] D. (- infinity , - 5] Question 5Which of these functions does not have an inverse?A. f(x) = |x - 5| B. h(x) = 2x - 9 C. k(x) = ln(- x + 4) D. j(x) = x 1/3 Question 6The solution set of the inequality (x + 5) 4(x + 3) ≥ 0 is given by intervalA. [- 3 , infinity) B. {- 5} U [- 3 , infinity) C. (- infinity , infinity) D. (- 3 , infinity) Question 7The range of the function h(x) = -|x - 5| - 2 is give byA. (- infinity , 0) B. (- infinity , - 2) C. (-infinity , -2] D. (- infinity , 2] Question 85 ln e 2 - 2 ln (7e) + ln 49 =A. 8 B. 3 C. 4 ln 7 D. 8e - 4 ln 7 Question 9If f(x) = x / (- x + 4) and g(x) = 2x + 2, then (f 0 g)(1) =A. 4/3 B. 4 1/3 C. 4 D. undefined Question 10√(x 2 + 6x + 9) =A. x + √(6x) + 3 B. x + 3 C. |x + 3| D. (x + 3) 2 Question 11If f(x) = x 2 + 1 for x ≤ 0, then f -1(x) =A. x -1 B. √(x - 1) C. √(x + 1) D. - √(x - 1) Question 12The domain of f(x) = ln(2 - x) + ln(3 - x) is given byA. (-infinity , 2) B. (2 , 3) C. (-infinity , 3) D. (-infinity , 2] Question 13The solution set of the inequality (x - 1) 2 ≤ 0 is given byA. (-infinity , infinity) B. (-infinity , 1] C. {1} D. [1 , infinity) Question 14The solution to the equation 2 (4 x+1) = 4 (8 x + 2)A. -5 B. 1 C. 0 D. no solution Question 15The number of solutions of the equation | - x 2 + 4x + 1 | = 5 is equal toA. 1 B. 2 C. 3 D. 4 Question 16Using the absolute value concept, the statementmay be written as follows A. |x + 6| ≥ 7 B. |x + 6| > 7 C. |x + 7| ≥ -6 D. |x + 7| ≥ 6 Question 17If f(2x + 3) = 2x - 1, then f(3x + 4) =A. 6x + 7 B. 3x C. 6x + 11 D. 9x + 15 Question 18-x 2 + x - 3 =A. -(x + 1/2)2-11/4 B. (x - 1/2)2-11/4 C. -(x - 1/2)2-11/4 D. -(x - 1/2)2+11/4 Question 19How many solutions do the equation 1/x + 1/(x + 1) = 1/3 have?A. 0 B. 1 C. 2 D. 3 Question 20If the whole graph of function f lies in quadrant IV, then the graph of the inverse of f lies in quadrantA. I B. II C. III D. IV
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