Simplify the given expression by giving the results in terms of one-half the given angle. Then use a calculator to verify the result.
A. -0.4226
B. -0.766
C. 0.9063
D. -0.6428
Answer: C
Mathematics
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Find the value of (f ? g)' at the given value of x.f(u) = 
, u = g(x) = 3x - x2, x = 1
A. - 1
B. - 
C. 1
D. 
Mathematics
State the degree of the polynomial equation.(x + 3)2(x - 1) = 0
A. 2 B. 3 C. 1 D. 4
Mathematics
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The area of a rectangular piece of cardboard shown is 774 square inches. The cardboard is used to make an open box by cutting a 4-inch square from each corner and turning up the sides. If the box is to have a volume of 1400 cubic inches, find the dimensions of the cardboard that must be used.
A. 22 in. by 47 in. B. 10 in. by 31 in. C. 14 in. by 39 in. D. 18 in. by 43 in.
Mathematics