Find the derivative of the function.y = (2x3 - 2x2 + 8x - 6)ex3
A. (6x5 - 6x4 + 24x3 + 6x2 - 4x + 8)ex3
B. (6x2 - 4x + 8)ex3
C. (6x5 - 6x4 + 24x3 - 12x2 - 4x + 8)ex3
D. (6x5 - 6x4 + 24x3 -18x2)ex3
Answer: C
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Solve the problem.The orbit of a satellite had a semimajor axis of a = 8872 km. Calculate the period of the satellite. and
A. 78.2 min B. 1.98 hr C. 12 hr D. 138.6 min
After a wind storm, a farmer notices that his 36-foot windmill may be leaning, but he is not sure. From a point on the ground 32 feet from the base of the windmill, he finds that the angle of elevation to the top of the windmill is 49°. Is the windmill leaning? If so, what is the acute angle the windmill makes with the ground? ?
A. Yes; it makes an angle of 89° with the ground B. Yes; it makes an angle of 86° with the ground C. Yes; it makes an angle of 87° with the ground D. Yes; it makes an angle of 90° with the ground E. No, it is not leaning.
Solve the quadratic equation by using the quadratic formula. If the equation has no real solutions, write "no real-number solutions."x2 + x + 6 = 0
A.
B.
C. 1 ±
D. no real-number solutions
A high-yield savings pays 8% interest, compounded continuously. How long would it take an initial investment of $2500 to grow to $12,500?
A. 22.397 years B. 20.118 years C. 2.01 years D. 201.18 years E. none of these