Find dy/dt.y = t9(t6 + 7)5
A. t8(t6 + 7)4(39t6 + 63)
B. 270t52(t6 + 7)4
C. t9(t6 + 7)4(39t5 + 63)
D. 9t8(t6 + 7)4(30t6 + 7)
Answer: A
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Compute r''(t).r(t) = (cos 5t)i + (3 sin t)j
A. r''(t) = (-25 cos 5t)i + (-3 sin t)j B. r''(t) = (-25 cos 5t)i + (-9 sin t)j C. r''(t) = (-5 cos 5t)i + (3 sin t)j D. r''(t) = (25 cos 5t)i + (-3 sin t)j
Solve the problem.In a milling operation, the thickness of the wood panels that can be produced satisfies the inequality 
What range of thicknesses corresponds to this inequality?
A. [0.34, 3.08] B. [0.68, 6.16] C. [1.20, 1.88] D. [0.68, 3.08]
Translate to an equation and solve. What is 5
% of 93? Round to the nearest hundredth if necessary.
A. 4.84 B. 0.05 C. 484 D. 48.4
Use the change of base formula to approximate the expression to four decimal places.log4 208
A. 0.2597 B. 1.3863 C. 5.3375 D. 3.8502