Find the local extrema of the function, if they exist.f(x) = 
A. No local extrema exist
B. Local maximum at 
; Local minimum at 
C. Local maximum at (0, 2); Local minimum at 
D. Local minimum at 
; Local maximum at 
Answer: B
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Find the polar coordinates of the point(s) of intersection of the given curves for 
r = 7, r = 6 + 1 sin ?
A. 
, 
B. 
C. (7, ?)
D. 
Using the Rule of 78, find the amount of unearned interest for the loan paid in full before the date of maturity. Round to the nearest cent.Finance charge: $23,119Total number of payments: 35Remaining number of payments, when paid in full: 5
A. $550.45 B. $388.55 C. $366.97 D. $582.83
Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 24 seconds are required to make a 3-by-4 enlargement, find the time required for a enlargement.
A. 90 sec B. 30 sec C. 60 sec D. 120 sec
Factor the polynomial.4y2 + 16y + 25
A. (2y + 5)(2y - 5) B. (2y + 5)2 C. (2y - 5)2 D. Does not factor