Solve the problem.All 33 of the students in a mathematics class attended class on Monday. On Tuesday only 27 students attended. What was the percent decrease?
A. 81.8%
B. 18.2%
C. 77.8%
D. 22.2%
Answer: B
Mathematics
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Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.{(16, 10), (7, 15), (-1, -3)}
A. No inverse B. {(10, 16), (15, 7), (-3, -1)} C. {(10, 16), (-1, 7), (-3, 15)} D. {(16, 15), (16, 7), (-3, -1)}
Mathematics
For the pair of functions, find the indicated domain.f(x) = 
, g(x) = x + 1Find the domain of f ? g.
A. (-?, ?) B. (-?, -4) ? (-4, ?) C. (-?, -5) ? (-5, ?) D. (-?, -5] ? [-5, ?)
Mathematics
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.x2 + y - 16 = 0
A. x-axis B. origin C. y-axis D. x-axis, y-axis, origin E. none
Mathematics
Find the exact value by using a half-angle identity.sin 22.5°
A. 
B. - 
C. 
D. - 
Mathematics