Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = - 
, ? < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide whether or not the functions are inverses of each other.f(x) = 4x + 16, g(x) = 
x - 4
A. No B. Yes
Mathematics
Solve the problem.A rectangular sign is being designed so that the length of its base, in feet, is 18 feet less than 4 times the height, h. Express the area of the sign as a function of h.
A. A = -18h + h2 B. A = 18h - 2h2 C. A = -18h2 + 2h D. A = -18h + 4h2
Mathematics
In a right triangle, the side opposite the right angle is called the base of the right triangle.
Answer the following statement true (T) or false (F)
Mathematics
Use the distributive property to simplify.(-9x - 6y - 8)(-2x)
A. 18x2 - 6y - 8 B. 18x2 + 12xy + 16x C. -9x - 6y + 16x D. 18x + 12y + 16
Mathematics