Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 15°
What will be an ideal response?
or 
(
- 
)
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Solve the problem.A cylindrical container with a volume of 3? ft3 is to be made from two different materials. The material used for the ends costs three times as much as the material for the side. What are the dimensions of the container that minimize the cost of the materials?
A. r = 
ft; h = 
ft
B. r = 
ft; h = 4
ft
C. r = 
ft; h = 4
ft
D. r = 
ft; h = 3
ft
Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = x, g(x) = 3x + 9
B. f(x) = 
, g(x) = 3x - 9
C. f(x) = -
, g(x) = 3x + 9
D. f(x) = 
, g(x) = 3x + 9
Multiply.(x + 
)(x - 
)
A. x2 - 
B. x2 + 16x - 6
C. x2 - 16x - 6
D. x2 - 16
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB =
Tuition for Student 1 is $1210, tuition for Student 2 is $1180, and tuition for Student 3 is $1018.
B.
AB = 
Tuition for Student 1 is $1200, tuition for Student 2 is $1150, and tuition for Student 3 is $1013.
C.
AB = 
College A costs $937 and College B costs $1140.
D.
AB = 
College A costs $892 and College B costs $1026.