Solve the problem.A retailer finds that total cost per day is given by c = 25
+ 64 dollars, where c is cost and n is the number of units sold. What is c when 9 units are sold?
A. $139
B. $289
C. $23
D. $83
Answer: A
Mathematics
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Evaluate the surface integral of G over the surface S.S is the portion of the cone z = 5
, 0 ? z ? 2; G(x, y, z) = z - y
A. 
?
B. 
C. 
?
D. 
?
Mathematics
The graph below shows solution curves of a differential equation. Find an equation for the curve through the given point.
= 1 - 
x1/5
A. y = x + x6/5 + 
B. y = x - x6/5 + 
C. y = 1 - x6/5 - 
D. y = x - x6/5 + 
Mathematics
Solve the problem.If a fair coin is tossed twice, the probability of both tosses coming up the same is
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
Mathematics
Use a calculator to approximate the logarithm to four decimal places.log100 20
A. 1.5373 B. 4.6052 C. 2.9957 D. 0.6505
Mathematics