Determine whether (f(g(x)) = x and whether (g (f(x)) = x.f(x) = x3 + 9, g(x) = 
A. No, no
B. Yes, no
C. No, yes
D. Yes, yes
Answer: D
Mathematics
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Evaluate.70 - 120
A. 1 B. 2 C. 0 D. -5
Mathematics
Use the given information to find the exact value of the expression.sin ? = 
, ? lies in quadrant II, and cos ? = 
, ? lies in quadrant I
Find sin (? - ?).
A.
B. 
C. 
D. 
Mathematics
Solve the inequality.
? 0
A. (-?, -8) or [-2, 4) or [11, ?) B. (-8, -2] or (4, 11] C. (-?, -8) or [-2, 0) or (0, 4) or [11, ?) D. (-?, -8) or [11, ?)
Mathematics
Solve the equation for complex solutions.x2 - 10x + 61 = 0
A. -5 ± 6i B. 11, -1 C. 10 ± 12i D. 5 ± 6i
Mathematics