Find the domain of the function.f(x) = log (x - 4)
A. x > 0
B. x > -4
C. x > 1
D. x > 4
Answer: D
Mathematics
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The payoff (X) for a lottery game has the following probability distribution. Payoff, X$0 $5 Probability0.8 0.2 What is the expected payoff? Is the game fair?
A. $0; Yes B. $0.50; No C. $1.00; No D. $2.50; No
Mathematics
Evaluate the integral.
dx
A. 
- ln
- 5 tan-1 x + ln(x2 + 1) + C
B. 
- ln 
+ 
ln(x2 + 1) + C
C. 
- 3 tan-1 x + 
ln(x2 + 1) + C
D. 
- ln
- 3 tan-1 x + 
ln(x2 + 1) + C
Mathematics
Find the ordered triple that belongs to the set.{8y, y, y - 5|y = 2}
A. (2, -3, 16) B. (16, -3, 2) C. (2, 16, -3) D. (16, 2, -3)
Mathematics
Provide an appropriate response.Find 
and 
where f(x, y) = x3e2y + y2 ln 3x and evaluate both derivatives at 
What will be an ideal response?
Mathematics