Solve the compound inequality. Express the solution using interval notation. Graph the solution set.12 < 3x ? 15
A. (4, 5]
B. [-5, -4)
C. [4, 5)
D. (-5, -4]
Answer: A
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Find the absolute maxima and minima of the function on the given domain.
on the closed triangular region bounded by the lines 
and 
A. Absolute maximum: 184 at 
absolute minimum: 144 at 
B. Absolute maximum: 144 at 
absolute minimum: 64 at 
C. Absolute maximum: 144 at 
absolute minimum: 0 at 
D. Absolute maximum: 184 at 
absolute minimum: 0 at 
Solve the problem.
The number sequence that corresponds to the figures above is 1, 5, 12, 22, . . . .These are the pentagonal numbers P1, P2, P3, P4, . . . .Use inductive reasoning to find a formula for the nth pentagonal number, Pn.
A. Pn = n(3n - 1)/2 B. Pn = 2n(n - 1) C. Pn = n(3n + 1)/2 D. Pn = 3n(n - 1)/2
Find the surface area of the sphere satisfying the given condition. Approximate values to the nearest tenth.radius = 7 cm
A. 1436.0 cm2 B. 615.6 cm2 C. 205.1 cm2 D. 153.9 cm2
Write as a logarithmic equation.3-3 = 
A. log3
= -3
B. log-3
= 3
C. log3-3 = 
D. log1/273 = -3