Evaluate.log24
A. x = 2
B. x = 1
C. x = 4
D. x =
Answer: A
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Find T, N, and B for the given space curve.r(t) = (2 + t)i + (6 + ln(sec t))j - 6k, -?/2 < t < ?/2
A. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j ; B = -k B. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j ; B = k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j ; B = -k D. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j ; B = k
Write the fraction in decimal notation.
A.
B.
C.
D.
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Ellen wishes to mix candy worth $4.68 per pound with candy worth $8.89 per pound to form 23 pounds of a mixture worth $7.61 per pound. How many pounds of the more expensive candy should she use?
A. 21 lb B. 7 lb C. 9 lb D. 16 lb
Decide whether the limit exists. If it exists, find its value.f(x) and
f(x)
A. -1, 2 B. 2, -1 C. 2, 1 D. -2, -1