Solve.2x3 - 7x2 ? 15x
A. [0, 5]
B. 
? [0, 5]
C. 
D. 
? [5, ?)
Answer: B
Mathematics
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Solve the problem.The loudness of a sound can be approximated by the formula d = 10 log 
where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when I = 10,000 and I0 = 1.
A. 10,000 B. 14 C. 10 D. 40
Mathematics
Evaluate. The differential is exact.
A. 2 B. 0 C. -2 D. 1
Mathematics
Provide an appropriate response.Graph the set x ? 2 on a number line.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given value of x is a solution to the quadratic inequality.6x2 + 3x - 9 > 0; x = 3
A. No B. Yes
Mathematics