Find the producer surplus at the equilibrium point.S(x) = 5 - 4x; x = 1
A. $0.80
B. $1
C. $1.25
D. -$2
Answer: D
Mathematics
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Subtract.-36 - (-38)
A. -74 B. 74 C. -2 D. 2
Mathematics
Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.The product of 4 and the difference of a number and 7 is the same as the sum of the number and 30.
A. 4(x - 7) = x + 30 B. 7 - 4x = x + 30 C. 4(7 - x) = x + 30 D. 4x - 7 = x + 30
Mathematics
Find the average value of the given function 
over the plane region R.
?
; R is the region bounded by the graph of 
and 
from 
to 
.
What will be an ideal response?
Mathematics
Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 
? Round to the nearest year.
A. 77 yr B. 12 yr C. 1 yr D. 27 yr
Mathematics