Use a half-angle formula to find the exact value of the expression.sin 
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Perform indicated operation and round as indicated.6.933 ÷ 4.6 round to two decimal places
A. 0.20 B. 2.01 C. 0.15 D. 1.51
Mathematics
Determine whether the relation is also a function.{(-8, 3), (-8, -1), (1, 9), (5, -8), (10, -8)}
A. yes B. no
Mathematics
For the given functions f and g, find the requested function or functional value.f(x) = x2 + 
x + 4; g(x) = x3 + 
x2 + xFind (f + g)(x).
A. 2x3 + 
x2 + 5x
B. x3 + 
x2 + 
x + 4
C. x3 + 
x2 + 
x + 4
D. 2x3 + 
x2 + 5x
Mathematics
Find x.
= 9
A. 
B. 3
C. -6
D. 6
Mathematics