Find the limit and determine if the function is continuous at the point being approached.
sin 
A. 1; yes
B. Does not exist; yes
C. 1; no
D. Does not exist; no
Answer: A
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"All Boeings are airplanes". Rephrase this using set terminology.
What will be an ideal response?
Express the product as a sum containing only sines or cosines.sin(7?) cos(3?)
A. 
[cos(10?) - cos(4?)]
B. sin cos(21?2)
C. 
[sin(10?) + cos(4?)]
D. 
[sin(10?) + sin(4?)]
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $7 per foot for the other two sides. Find the dimensions of the field of area 830 ft2 that would be the cheapest to enclose.
A. 50.4 ft @ $4 by 16.5 ft @ $7 B. 38.1 ft @ $4 by 21.8 ft @ $7 C. 16.5 ft @ $4 by 50.4 ft @ $7 D. 21.8 ft @ $4 by 38.1 ft @ $7
Graph the parabola with the given equation.(y + 1)2 = -7(x - 2)
A. 
B. 
C. 
D. 