Add or subtract as indicated. Assume all variables represent non-negative real numbers.9
- 13
+ 6
A. 15
- 13
B. 2
C. 2
D. 15
- 13
Answer: D
Mathematics
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Perform the indicated operations.5
+ 16
A. -11
B. 21
C. 12
D. -22
Mathematics
Evaluate f''(c) at the point.f(x) = 
, c = -2
A. f''(-2) = -36 B. f''(-2) = -42 C. f''(-2) = -9 D. f''(-2) = 24
Mathematics
The publisher decided to publish a new book. He is going to sell one copy for $10. Assume that the cost of publishing is $60,000 for 1,000 copies and $250,000 for 5,000 copies. The probability of selling 1,000 copies is 0.9 and of selling 5,000 copies is 0.1. Find the publisher’s expected profit.
a. –65,000 b. 14,000 c. 1,400 d. –250,000
Mathematics
Write the logarithmic equation in its equivalent exponential form.log4 
= -3
A. 4-3 = 
B. 464 = 3
C. 
3 = 4
D. 34 = 
Mathematics