Solve the logarithmic equation.log(5 + 4x) = 2 log(x + 2)
A. {-1}
B. {1, -1}
C. 
D. {1}
Answer: D
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Solve the problem.A sports store received a line of bicycles that had a net cost of $83 each. If the store was given a series discount of 40/20, find the list price.
A. $207.50 B. $33.20 C. $172.92 D. $39.84
Simplify the expression.7x + 2(6 + x) + 34
A. 9x + 22 B. 9x + 46 C. 5x + 22 D. 8x + 46
Completely factor the polynomial or state that the polynomial is prime.12y2 + 17y + 6
A. (3y - 2)(4y - 3) B. prime C. (3y + 2)(4y + 3) D. (12y + 2)(y + 3)
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 330-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 1.1 sec B. 20.6 sec C. 4.5 sec D. 82.5 sec