Find the real number solution set of the equation or inequality shown below the graph. y = f(x)
f(x) > 0
A. (2, 5)
B. (-?, 2) ? (5, ?)
C. (-?, ?)
D. {2, 5}
Answer: B
Mathematics
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Find the length of the curve.The curve r = a cos2 
, 0 ? ? ? ?, a > 0
A. 
B. 
C. 2a
D. 2?a
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Use the simple interest formula to determine the missing value. Round dollar amounts to the nearest cent and percents to the nearest hundredth when necessaryp = $6205, r = ?, t = 5 months, i = $90.49
A. r = 28.57% B. r = 1.4% C. r = 0.04% D. r = 3.5%
Mathematics
Simplify the algebraic expression by combining like terms.(11z + 11) - (5z - 2)
A. 16z + 13 B. 6z - 13 C. 6z + 13 D. 6z + 9
Mathematics
Solve the system of equations using substitution.
A. x = -5, y = -1; x = 
, y = 8
B. x = 5, y = 1; x = - 
, y = -8
C. x = 5, y = 1; x = -8, y = - 
D. x = -5, y = -1; x = 8, y = 
Mathematics