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3. The vertex of y = -3x2 + 6x-5 is a. (1, -2) b. (1, 1) C. (-1, 1) d. (-1, -2) 4. Given f(x) = x? - 4x + 5, if f(a) =1, what is the value of a? а. 5 b. 3 С. d. 1

3. The vertex of y = -3x2 + 6x-5 is a. (1, -2) b. (1, 1) C. (-1, 1) d. (-1, -2) 4. Given f(x) = x? - 4x + 5, if f(a) =1, what is the value of a? а. 5 b. 3 С. d. 1

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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3. The vertex of y = -3x² + 6x -5 is а. (1,-2) b. (1, 1) C. (-1, 1) d. (-1, -2) 4. Given f(x) = x² – 4x + 5, if f(a) =1, what is the value of a? а. 5 b. 3 С. 2 d. 1 5. Which is the correct equation when y = 5* is translated 4 units down and 3 units left? a. Y = 5x*4-3 b. Y= 5*-4 -3 C. Y = 5*+3 - 4 d. Y = 5x-3 - 4 6. Which is correct about exponential functions? a. The ratio of successive first differences is constant. b. The first differences are constant. С. The first differences are zero. d. The second differences are constant. 7. A bacterial colony with an initial population of 120 triples every day. Which equation models this exponential growth? a. P 3 X 120" b. P 120 X 3" P = 120 X 3n d. P= 120 X 2" 8. What is the formula for the general term of an arithmetic sequence with a = 5 and d = 3? С. a. Tn = 8+5n b. Tn 2 +3n C. Tn 8+3n d. Tn = 5n- 2
Transcribed Image Text:3. The vertex of y = -3x² + 6x -5 is а. (1,-2) b. (1, 1) C. (-1, 1) d. (-1, -2) 4. Given f(x) = x² – 4x + 5, if f(a) =1, what is the value of a? а. 5 b. 3 С. 2 d. 1 5. Which is the correct equation when y = 5* is translated 4 units down and 3 units left? a. Y = 5x*4-3 b. Y= 5*-4 -3 C. Y = 5*+3 - 4 d. Y = 5x-3 - 4 6. Which is correct about exponential functions? a. The ratio of successive first differences is constant. b. The first differences are constant. С. The first differences are zero. d. The second differences are constant. 7. A bacterial colony with an initial population of 120 triples every day. Which equation models this exponential growth? a. P 3 X 120" b. P 120 X 3" P = 120 X 3n d. P= 120 X 2" 8. What is the formula for the general term of an arithmetic sequence with a = 5 and d = 3? С. a. Tn = 8+5n b. Tn 2 +3n C. Tn 8+3n d. Tn = 5n- 2
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