Collect like terms.15q3 + 4q2 - 15q3 + 15q3 + 15q2
A. 15q3 + 19q2
B. 34(q3 + q2)
C. 34q3
D. Cannot be simplified
Answer: A
Mathematics
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A 1 æF capacitor is charged to 100 V. How long will it take to discharge to 10 V through a 1 Meg resistor?
a. 1.8 sec b. 2.3 sec c. 3.9 sec d. 8.4 sec e. 14.9 sec
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Factor the expression completely, if possible.4x2 - 169y2
A. (2x + 13y)(2x - 13y) B. (2x + 13)(2x - 13) C. (2x + 13y)2 D. (2x - 13y)2
Mathematics
Predict the general, or nth term, an, of the sequence.
, 
, 
, 
, 
, . . .
A. 
B. 
C. 
D. 
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Find the coordinates of the points of inflection for the function.f(x) = -x2 - 10x - 23
A. (-6, 1) B. (-5, 2) C. (-4, 1) D. There are no points of inflection.
Mathematics