Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the half-angle formulas to simplify the given expression.
A. 2 sin 14?
B. 2
sin 14?
C. 2
cos 14?
D. 4 sin 14?
Mathematics
For the given functions f and g, find the requested composite function value.f(x) = 
, g(x) = 19x - 10;
Find (f ? g)(4).
A. 82,104 B. 5006 C. 17,424 D. 77,098
Mathematics
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x4 - 3x3 - 17x2 + 21x + 70
A. {-2, 5, -
, 
}
B. {-5, -2, -
, 
}
C. {-5, 2, -
, 
}
D. {2, 5, -
, 
}
Mathematics
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 11 terms of the geometric sequence: 
, 1, 2, 4, 8, . . . .
A. 
B. 
C. 1027
D. 
Mathematics