Use the table to find the monthly checking-account service charge for the account. 
Dagmar's Sandwiches, 46 checks, average balance $1,913
A. $21.20
B. $16.70
C. $9.60
D. $14.20
Answer: B
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Find the vertical asymptotes, if any, of the graph of the rational function.f(x) = 
A. no vertical asymptote B. x = 2, x = -2 C. x = -2 D. x = 2
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
The function 
represents the value of the U.S. dollar in Indian rupees as a function of time t in days.Find the average rates of change of
over the time intervals
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,
,
, and
days. Hence, estimate (using
) the instantaneous rate of change ofR at time
. Please round the instantaneous rate to the nearest whole number.
?
A. 29
B. 25
C. 27
D. 28
E. 30
Find a mathematical model representing the statement. (Determine the constant of proportionality.) ? v varies jointly as p and q and inversely as the square of s. (? = 1.4 when p = 4.4, q = 7.3 and s = 1.8.) ?
A. 
?
B.
C.
D.
E.
