Simplify. 33 –5(6)
A) 132
B) –48
C) 3
D) –132
E) –3
E) –3
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Find the unit tangent vector of the given curve.r(t) = (1 + 11t4)i + (9 + 2t4)j + (10 + 10t4)k
A. T = i +
j +
k
B. T = 11i + 2j + 10k
C. T = i +
j +
k
D. T = i +
j +
k
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log19
A. log195 - 2 log19y - 2 log19x
B. 6 log195 - 2 log19y - log196
C. log195 - log19y - log19x
D. log195 - 2 log19y - log19x
Find the asymptotes of the hyperbola. -
= 1
A. y = x, y = - x
B. y = x, y = -
x
C. y = x, y = -
x
D. y = x, y = - x
A secretary periodically checks to see how many of the three lines into the office are busy. Her findings for one week were the following: No. lines busy Frequency 0 20 1 65 2 25 3 10 Let the random variable X be the number of lines busy. Find the probability distribution of X.
A.
B.
C.
D.