Use a calculator to verify the value found by using the double-angle formulas.Find sin 
directly and by using functions of 
.
A. 1.1756
B. 0.9511
C. 0.309
D. 0.5878
Answer: B
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Solve the problem. Round to the nearest tenth unless indicated otherwise.The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is 
when the height is 
and the distance around the trunk is 
what is the volume of wood obtained from a tree that is 
tall
having a measurement of 
around the trunk?
A. 69.0 ft3
B. 64.0 ft3
C. 52.0 ft3
D. 60.0 ft3
Find the intersection of the two sets.{2, 10, 9} ? {5, 11}
A. ? B. {2, 5, 9, 10, 11} C. {2, 9} D. {10, 9}
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 8x - 6;
Find (f ? g)(x).
A. 2
B. 2
C. 8
D. 8
- 6
The total costs for a company are given by 
, and the total revenues are given by 
. Find the break-even points.
?
A. Break-even values are at 
and 
units.
B. Break-even values are at 
units.
C. Break-even values are at 
units.
D. Break-even values are at 
and 
units.
E. Break-even values are at 
units.