Evaluate the absolute value expression.
A. -4
B. 4
C. 10
D. -10
Answer: B
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Evaluate the integral.Use the formula 
to evaluate the integral. 
A. x sin-1 x + x + C
B. x sin-1 x - 
+ C
C. x sin-1 x + 
+ C
D. x sin-1 x + 
+ C
Solve the problem.Roberto invested some money at 8%, and then invested $3000 more than twice this amount at 11%. His total annual income from the interest was $3930. How much was invested at 11%?
A. $27,000 B. $9000 C. $24,000 D. $2700
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)
Find the vertices of the hyperbola.
- 
= 1
A. (0, -5) and (6, -5) B. (-3, 7) and (-3, 3) C. (-6, 5) and (0, 5) D. (3, -3) and (3, -7)