Expand and simplify the given expression by use of Pascal's triangle.(4x + 2)5
A. (16x2 + 16x + 4)5
B. 1024x5+ 320x4 + 1280x3 + 1280x2 + 320x + 32
C. 1024x5 + 512x4 + 256x3 + 128x2 + 64x + 32
D. 1024x5 + 2560x4 + 2560x3 + 1280x2 + 320x + 32
Answer: D
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Determine the family of angles for which the following angle belongs, sketch the angle, and then determine the angle of least positive measure, ?C, coterminal with the given angle.? = -1215°
A. 
family; ?C = 240°
B. quadrantal family; ?C = 180°
C. quadrantal family; ?C = 270°
D. 
family; ?C = 225°
Identify the equation as either an identity or not.(sin x + cos x)2 = 1
A. Not an identity B. Identity
Annual sales (in millions of units) of hand-held computers are expected to grow in accordance with the function
?
?
where 
is measured in years, with 
corresponding to 1997. How many hand-held computers will be sold over the 3-year period between the beginning of 1997 and the end of 1999? Round your answer to two decimal places, if necessary.
Fill in the blank(s) with the appropriate word(s).
Solve the combined inequality and graph the solution set. Write the solution in interval notation.11 ? 
x + 4 < 25
A. [2, 6)
B. [2, 3)
C. (2, 6]
D. (2, 3]