Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 24.7
B. x = 6.2
C. x = 1.53
D. x = 24.70
Answer: D
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Express the function, f, in simplified form. Assume that x can be any real number.f(x) = 
A. f(x) = 
B. f(x) = 7(x - 1)2
C. f(x) = 
D. f(x) = 7(x - 1)
Find the extreme values of the function subject to the given constraint.
A. Maximum: 48 at 
minimum: -48 at 
B. Maximum: none; minimum: 48 at 
C. Maximum: 48 at 
minimum: 0 at 
D. Maximum: none; minimum: 0 at 
Graph the function.y = csc 
A. 
B. 
C. 
D. 
The owner of the Rancho Los Feliz has 3,200 yd of fencing material with which to enclose a rectangular piece of grazing land along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area that he can enclose? What is this area? ?
A. 
B. 
C. ?
D. ?