For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 16 - x2; g(x) = 4 - x;
Find f + g.
A. (f + g)(x) = 4 + x; (-?, -4) ? (-4, ?)
B. (f + g)(x) = -x2 + x + 12; (-?, ?)
C. (f + g)(x) = x3 - 4x2 - 16x + 64; (-?, ?)
D. (f + g)(x) = -x2 - x + 20; (-?, ?)
Answer: D
Mathematics
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and above by the line 
, with density 
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
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Find the limit.
sec2 x - tan2 y + z
A. 8 B. 7 C. 9 D. 10
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Simplify the expression.-5(2x2 - 9) - 4x2 + 10
A. 14x2 + 55 B. 6x2 + 55 C. -14x2 - 35 D. -14x2 + 55
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Find the indicated probability.If P(A) = 0.6, P(A or B) = 0.6, and P(A and B) = 0.7, find P(B).
A. P(B) = 0.7 B. P(B) = 1.2 C. P(B) = 0.3 D. P(B) = 0.4
Mathematics