Write the mixed number as an improper fraction.5
A. 
B. 
C. 
D. 
Answer: D
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = csc(cot x)
A. y = csc u; u = cot x; 
= csc3 x cot x
B. y = cot u; u = csc x; 
= csc2(csc x) csc x cot x
C. y = csc u; u = cot x; 
= - csc(cot x) cot(cot x)
D. y = csc u; u = cot x; 
= csc(cot x) cot(cot x) csc2 x
Convert the degree measure to radians. Give your answer to 4 decimal places.118.8°
A. 0.4823 B. 2.0735 C. 4.1469 D. 373.2212
Solve the problem using determinants.Linear systems occur in the design of roof trusses for new homes and buildings. The simplest type of roof truss is a triangle. The truss shown in the figure is used to frame roofs of small buildings. If a 128-pound force is applied at the peak of the truss, then the forces or weights W1 and W2 exerted parallel to each rafter of the truss are determined by the following linear system of equations. 
W1 + 
W2 = 256
-4.0px;" />W1 - 
W2 = 0Find W1 and W2.
A. W1 = 93.7 lb; W2= 114.76 lb
B. W1 = 114.76 lb; W2= 93.7 lb
C. W1 = 128 lb; W2= 156.77 lb
D. W1 = 46.85 lb; W2= 57.38 lb
Remove or add parentheses as indicated.Rewrite (p + q)(p - q) without parentheses.
A. p2 + q2 B. p2 - q2 + 2pq C. p2 - q2 - 2pq D. p2 - q2