Solve the inequality by the test-point method. Write the solution in interval notation.x2 + 9 < 3x
A. (-?, -3)
B. {3}
C. (3, ?)
D. ?
Answer: D
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Find the absolute maxima and minima of the function on the given domain.
on the diamond-shaped region 
A. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
and 
B. Absolute maximum: 
at 
and 
absolute minimum: 8 at 
and 
C. Absolute maximum: 8 at 
and 
absolute minimum: 0 at 
D. Absolute maximum: 
at 
and 
absolute minimum: 0 at 
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.m2 + mn - 12n2
A. (m - 4n)(m + 3n) B. (m + 4n)(m - 3n) C. (m + 4n)(m + 3n) D. (m - 4n)(m - 3n)
Find the center and radius of the the circle.x2 + y2 - 14x + 2y + 14 = 0
A. Center: (1, -7); Radius: 36 B. Center: (7, -1); Radius: 6 C. Center: (-7, 1); Radius: 36 D. Center: (-1, 7); Radius: 6
Solve the equation.3 ? 52t - 1 = 75
A. {3}
B. 
C. 
D. 