Use synthetic division to find the quotient and the remainder.x3 - x2 + 5 is divided by x + 2
A. 3x2 - 4x + 2; remainder 0
B. x2 + x + 2; remainder -7
C. x2 - 3x + 6; remainder -7
D. x2 - 3x + 6; remainder 2
Answer: C
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x =-1; concave down on (0, ?); concave up on (-?, 0) B. Local maximum at x = 1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0) C. Local minimum at x = 1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0) D. Local maximum at x = 1; local minimum at x =-1; concave up on (-?, ?)
Determine all possible rational solutions of the polynomial equation.f(x) = 11x3 + 19x2 + 2x - 22
A. ±1, ± 
, ±11, ± 
, ± 
, ± 
B. ±1, ± 
, ±2, ±11, ±22
C. ±1, ± 
, ±2, ± 
, ±11, ±22
D. ±1, ±2, ±11, ±22
Add and simplify. Write the answer as an improper fraction as needed.
+ 
A. 
B. 
C. 
D. 
A clothing consignment store purchased a coat for $23.75 and then sold it for $29.65. Find the percent of increase. Round your answer to tenth percent.
a. 19.9% b. 24.8% c. 124.8% d. 80.1%