Simplify the expression.-8(5x + 10) + 2(4x + 2)
A. -32x + 10
B. -32x - 76
C. -3x + 2
D. -120x
Answer: B
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Find the limit and determine if the function is continuous at the point being approached.
sin(x sin2x + x cos2x + 2)
A. does not exist; no B. sin 5; no C. sin 5; yes D. sin -1; yes
Find the intervals on which the given function is increasing and the intervals on which it is decreasing.
A. Increasing on 
and decreasing on 
B. Increasing on 
and decreasing on 
C. Increasing on 
and decreasing on 
D. Increasing on 
and decreasing on 
In the table below, classify each highlighted value. ? x - 3 - 2 - 1 0 1 2 y -3 0 1 0 10 9 10 -2 1 2 1 9 8 9 -1 0 1 0 10 9 10 0 9 10 9 11 11 13 1 8 9 8 11 12 13 2 9 10 9 11 11 13 ? Choose the correct letter for each question.
A. relative maximum B. relative minimum C. saddle point D. none
Factor completely, or state that the polynomial is prime.x2(a - b) + 49(b - a)
A. (a - b)(x2 + 49) B. (b - a)(x + 7)(x - 7) C. (a - b)(x + 7)(x - 7) D. prime