Use a calculator to find the function value to four decimal places.cos
A. -0.7660
B. -0.1111
C. 0.9991
D. 0.6428
Answer: A
Mathematics
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Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 
, g(x) = x + 4
A. (-?, -5) ? (-5, -4) ? (-4, ?) B. (-?, -9) ? (-9, ?) C. (-?, ?) D. (-?, -5) ? (-5, ?)
Mathematics
Solve.x2 + y2 - 2xy = 36x2 + y2 + 2xy = 196
A. (20, -8),(-20, -8), (-8, 20), (8, 20) B. (10, -4), (-10, -4), (-4, 10), (4, 10) C. (-4, 10), (-4, -10) D. (10, 4), (-10, 4), (4, 10), (-4, 10)
Mathematics
Solve the compound inequality. Graph the solution set.0 ? 
< 3
A. 
B. 
C. 
D. 
Mathematics
Use the quotient rule to simplify.
A. x3 
B. 5x3
C. x3 
D. 5x3
Mathematics