Write the first four terms of the sequence.an = 
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, 
, 
, 
Answer: B
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Solve the problem.During a storm in Anchorage, Alaska, the temperature was 10°F at noon. Then it dropped 5°F each hour for the next 2 hours, followed by an additional drop of 7°F the third hour. What was the temperature at 3 P.M.?
A. -5°F B. 7°F C. -7°F D. -8°F
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 3x2 = 12x - 12
A. a = 3, b = 12, c = -12 B. a = 3, b = -12, c = -12 C. a = 3, b = 12, c = 12 D. a = 3, b = -12, c = 12
Find the requested vector.w = 3i - 5j - kFind a vector orthogonal to both w and j + k.
A. -3i + 2j - 2k B. 3i + 2j - 3k C. 3i - 3j - 4k D. -4i - 3j + 3k
For the given rectangular equation, write an equivalent polar equation.x = 10
A. r = 10 csc ? B. r = 10 cos ? C. r = 10 sin ? D. r = 10 sec ?