Find the exact value of the expression. Do not use a calculator.cos [cos-1 (-0.9372)]
A. 0.9372
B. -0.9372
C. 0.4686
D. -0.4686
Answer: B
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the parabola 
to the parabola 
.
A. 441 B. 147 C. 864 D. 882
Mathematics
Use the table to determine if f is one-to-one. If so, use the table for f(x) to find a table for f-1(x).
A. 
B. 
C. 
D. Not a one-to-one function
Mathematics
Based on the graph, find the range of y = f(x).
A. (-?, 0) or {0} or (0, ?) B. (-?, ?) C. (-10, 10) D. (-?, 0) or (0, ?)
Mathematics
Decide whether or not the points are the vertices of a right triangle.(6, 12), (8, 16), (10, 15)
A. No B. Yes
Mathematics