Solve.ln(x) = 2
A. 
B. {e2}
C. {2e}
D. {ln 2}
Answer: B
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Find the least common denominator (LCD).
, 
, 
A. (k - 3)(k - 8)3(k + 2)(k + 1) B. (k - 3)(k + 2)(k + 1) C. (k - 3)(k - 8)(k + 2) D. (k - 3)(k - 8)(k + 2)(k + 1)
Solve the problem.A 5.8-ft fence is 15.431 ft away from a plant in the direction of the sun. It is observed that the shadow of the fence extends exactly to the bottom of the plant. (See drawing) Find ?, the angle of elevation of the sun at that time. Round the measure of the angle to the nearest tenth of a degree when necessary.
A. ? = 20.6° B. ? = 22° C. ? = 20.4° D. ? = 20.8°
Express the set in the simplest interval form.(-?, 6] ? (-?, -7)
A. (-?, -7] B. (-?, 6) C. (-7, 6] D. (-?, 6]
Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 16 feet at an initial velocity of 64 feet per second, then its height after t seconds is given by the equation 
, where h is in feet. After how many seconds will the object reach a height of 80 feet?
A. 1 sec B. 8 sec C. 4 sec D. 2 sec