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QMB 3003 Final Exam Latest 2026-2027/QMB 3003 Final Exam Preparation/QMB 3003 Final Exam Practice Exam With Complete 150 Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+|Brand New Version!!
How many compounding periods are there?
Correct answer: 24
How much is in the account at the end of the 6 years? $
Correct answer: 3293.43
The first derivative test can be used to determine whether a critical number represents a relative maximum or a relative minimum for a function. - ANSWER-True
Consider the function f(x) = 2x^3 - 3x^2 - 72x + 15. On what interval is this function decreasing? - ANSWER-(-3, 4)
Consider the function f(x) = 95 + 10/x for all positive values of x. -
ANSWER- 1 / 3
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Consider the function y = f(x, z) = 100 - 2x + 3z. Which is true? - ANSWER-This function is decreasing in x and increasing in z
Consider the function y = f(x, z) = 500 - 3z + 2x. Which is true? -
ANSWER-
Find the annual interest rate:
You deposit $3,976 and it increases in value to $4,689.37 over a period of 11 years compounded semiannually. - ANSWER-1.51
A firm's sales are 2.28 million in 2021 and 2.69 million in 2022. What was the percentage change in sales? - ANSWER-
If y = 5e^0.4x find the derivative and evaluate at x = 3. - ANSWER-6.64
If y = e-2x find the derivative. - ANSWER--2e2x^-2e
If y = 10ln(6x2) find the derivative and evaluate at x = 10. - ANSWER-2
Find the derivative of y = ln(4x + 7) and evaluate at x = 2.9. -
ANSWER-0.22 2 / 3
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Consider a function f(x). If f'(x) > 0 then the function f(x) is increasing. - ANSWER-True
Consider the function y = 100 + 4x. Which is true? - ANSWER-
If f'(c) = 0 then c is called a critical number. - ANSWER-True
If y = ln(8x) find the derivative. - ANSWER-1/x
Suppose f(x) attains its maximum value at x = 120. For values of x < 120 we can expect f'(x) to have a positive value. - ANSWER-True
A research group finds the percent of full attention that a viewer devotes to a commercial is a function of time (in seconds) since the commercial began. Assume the commercial is 30 seconds.
Viewer's attention = f(t) = -0.15t^2 + 6t + 20.
The viewer will never devote 100% of their attention to the commercial based on the function above. - ANSWER-True
Differentiate y = 4x(2x + 4)3/2 and evaluate at 12.1. - ANSWER- 1,370.07
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