Use a calculator to find the function value to four decimal places.cot 62.8°
A. 0.0319
B. 0.8894
C. 1.9458
D. 0.5139
Answer: D
Mathematics
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Find the first five partial sums of the given series and determine whether the series is convergent or divergent. If it is convergent, then find its sum.1 + 3 + 5 + 7 + 9 + ...
A. 1, 4, 8, 12, 16; divergent B. 1, 3, 5, 7, 9; divergent C. 1, 4, 9, 16, 25; divergent D. 4, 9, 16, 25, 36; divergent
Mathematics
Find 
(x) and state any values that cannot be included in the domain of 
(x).P(x) = x2 + 9x + 18; Q(x) = x + 6
A. x + 6, x ? -3 B. x + 3, x ? -6 C. x + 3, x ? 6 D. x + 9, x ? 0
Mathematics
Sketch the graph of the parabola.y = - 
(x + 4)2 - 3
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.20 - 9x + x2
A. (x + 5)(x - 4) B. (x - 5)(x + 4) C. (x + 5)(x + 4) D. (x - 5)(x - 4)
Mathematics