Express as a single logarithm and, if possible, simplify.log5 8 + log5 7
A. log10 56
B. log10 15
C. log5 56
D. log5 15
Answer: C
Mathematics
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Solve the equation.
= 1 + 
A. 10, -12 B. -30, 12 C. -10, 12 D. ?
Mathematics
Write the equation of the axis of symmetry.f(x) = 8x2 - 96x + 292
A. x = 4 B. x = 0 C. x = 6 D. x = -4
Mathematics
Solve the problem.Tides go up and down in a 12.4-hour period. The average depth of a certain river is 10 m and ranges from 5 to 15 m. The variation can be approximated by a sine curve. Write an equation that gives the approximate variation y, if x is the number of hours after midnight and high tide occurs at 5:00 am.
A. y = 5 sin 
+ 10
B. y = 10 sin 
+ 5
C. y = 10 sin 
+ 5
D. y = 5 sin 
+ 10
Mathematics
Perform the indicated operation. Simplify your answers. 
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics