Solve the problem and answer the question.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 28 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 35 min
assistant: 140 min
B. baker: 140 min
assistant: 35 min
C. baker: 8
min
assistant: 33 min
D. baker: 140 min
assistant: 560 min
Answer: A
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Find T, N, and B for the given space curve.r(t) = (ln(cos t) + 2)i + 10j + (3 + t )k, -?/2 < t < ?/2
A. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = j B. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = -j C. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = -j D. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = j
Solve the problem.A surveyor measured the length of a piece of land at 100-ft intervals (x), as shown in the table. Use the Simpson's Rule to estimate the area of the piece of land in square feet.
A. 27,000 ft2 B. 22,000 ft2 C. 23,000 ft2 D. 22,500 ft2
Solve.The reciprocal of the product of two consecutive positive integers is 
. Find the two integers.
A. 6, 7 B. 8, 9 C. 7, 8 D. 9, 10
Determine whether the relation is a function.
A. It is not a function. B. It is a function.