Use algebraic and/or graphical methods to solve the inequality.(x + 10)(x2 - 49) > 0
A. -10 < x < -7 or x > 7
B. x < -7 or x > 7
C. -10 < x < 7
D. x < 7 or 7 < x < 10
Answer: A
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Graph the set of points whose polar coordinates satisfy the given equation or inequality.r ? 4
A. 
B. 
C. 
D. 
Solve the equation after making an appropriate substitution.x4 - 17x2 + 16 = 0
A. {-4, 4} B. {-4, -1, 1, 4} C. {-16, 16} D. {-17, 17}
Solve the problem.A constant force F = 24i + 32j moves an object from the point P = (6, 5) to the point Q = (3, 18), where units are in pounds and feet. Find the work done by the force.
A. 16 ft-lb B. 312.4 ft-lb C. -16 ft-lb D. 344 ft-lb
Select from the list of numbers all that belong to the specified set.Rational numbers-8, 0.7 × 107, 5
, 6.6, 5, 0.
A. 5
B. -8, 0.7 × 107, 6.6, 0.
, 5
C. 5
, 5, 0.
D. -8, 0.7 × 107, 5
, 6.6, 5