Solve the problem.The mathematical model 
represents the cost in dollars a company has in manufacturing x items during a month. Based on this, how much does it cost to produce 
?
A. $150,000
B. $100,000
C. $0.50
D. $250.00
Answer: A
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Find the domain and range for the indicated function.f(x) = 
,
g(x) = 
;
f ? g
A. D: -? < x ? 11 and 11 ? x < ?
R: y ? 0
B. D: -? < x < ?
R: y ? 0
C. D: -? < x ? 
and 
? x < ?
R: y ? 0
D. D: -? < x ? 
and 
? x < ?
R: -? < y < ?
Solve the problem.Technology matrix A, representing interindustry demand, and matrix D, representing consumer demand for the sectors in a two-sector economy, are given. Use the matrix equation 
to find the production level X that will satisfy both demands.A = 
, D = 
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Find the limit or state that it does not exist.
(x - 
)
A. 0 B. 1 C. 8 D. Does not exist
Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R(x) = 70x - 0.5x2C(x) = 5x + 3.
A. 66 units B. 68 units C. 75 units D. 65 units