Find the linear approximation of the function at the given point.
at 
A. 
B. 
C. 
D. 
Answer: C
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Use a TVM slover to find the APR (true annual interest rate), to the nearest 0.01%, for the loan. Use the Annual Percentage Rate table if necessary.
PurchaseDown Payment Add-on# of Payments PriceInterest Rate $6500$29505%48
A. 9.51% B. 8.98% C. 9.24% D. 8.40%
Use the fundamental identities to find the value of the trigonometric function.Find tan ? if cos ? = 
and ? is in quadrant IV.
A. - 
B. - 
C. - 
D. 2
Provide an appropriate response.For the function y = cot (5x + ?), determine the interval of the principal cycle and the equations of the vertical asymptotes of the principal cycle.
A. 0 < x < 
; x = 
B. 0 < x < 
; x = 0, x = 
C. - 
< x < 0; x = - 
D. - 
< x < 0; x = - 
, x = 0
Solve the problem.A company begins a radio advertising campaign in Chicago to market a new soft drink. The percentage of the target market that buys a soft drink is estimated by the function 
where t is the number of days of the campaign. After how long will 
of the target market have bought the soft drink?
A. 70 days B. 75 days C. 2 days D. 69 days