Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
? 
A. 0.2
B. 4.6
C. 0.04
D. 0.3
Answer: D
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Solve the triangle. 
A. c = 4.75, A = 32.1°, B = 52.9° B. c = 2.75, A =52.9°, B = 32.1° C. c = 3.75, A = 52.9°, B = 32.1° D. c = 3.75, A = 32.1°, B = 52.9°
Graph the inequality and write the solution set using both set-builder notation and interval notation.x ? 7
A. {x|x ? 7}, [7, ?)
B. {x|x ? 7}, (-?, 7]
C. {x|x < 7}, (-?, 7)
D. {x|x > 7}, (7, ?)
Solve the problem.The hydrogen ion concentration of a substance
is about 2.9 x 10-12 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH = -log [H+].
A. -12.5 B. 12.5 C. 11.5 D. 11.8
Solve the problem.A bag contains 6 apples and 4 oranges. If you select 5 pieces of fruit without looking, how many ways can you get 5 apples?
A. 24 B. 12 C. 10 D. 6