Factor completely. If the polynomial cannot be factored, write "prime."169k2 - 36m2
A. (13k + 6m)2
B. (169k + m)(k - 36m)
C. (13k + 6m)(13k - 6m)
D. (13k - 6m)2
Answer: C
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Find the indicated derivative for the given vector-valued function .Find Dtr(t) for r(t) = (4t4 + 5t3 - 1)i + 7k.
A. Dtr(t) = (16t3 + 15t2)k B. Dtr(t) = (16t3 + 15t2)i + k C. Dtr(t) = (16t3 + 15t2)i D. Dtr(t) = (4t3 + 3t2 - 7)i + k
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 7, u '(2) = 2, v(2) = -1, v '(2) = -4.
(2u - 4v) at x = 2
A. 18 B. -12 C. 20 D. 10
Find the indicated quantities for the appropriate geometric sequence.The sum of the first three terms of a geometric sequence equals thirty-one times the first term. Find the common ratio.
A. -6, 5 B. -5, 6 C. -6, -5 D. 5, 6
Find the standard deviation. Round to one more place than the data.180, 105, 156, 275, 175, 125, 113, 227, 136
A. 20.7 B. 56.0 C. 59.9 D. 52.8