Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Answer: C
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Fill in the blank with one of the words or phrases listed below.
A(n) 
is a graph in which pictures or symbols are used to visually present data.
A. histogram B. pictograph C. circle D. tree diagram
Write interval notation.{ x ? x ? 2 }
A. (-?, 2] B. (2, ?) C. (-?, 2) D. [2, ?)
Find the intercepts of the function f(x).f(x) = (x + 1)(x - 9)(x - 1)2
A. x-intercepts: -1, 1, 9; y-intercept: 9 B. x-intercepts: -1, 1, -9; y-intercept: -9 C. x-intercepts: -1, 1, -9; y-intercept: 9 D. x-intercepts: -1, 1, 9; y-intercept: -9
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 10(cos 30° + i sin 30°), z2 = 5(cos 10° + i sin 10°)
A. 2(cos 3° + i sin 3°) B. 5(cos 20° + i sin 20°) C. 5(cos 3° + i sin 3°) D. 2(cos 20° + i sin 20°)