Factor the trigonometric expression and simplify.sec4x + sec2x tan2x - 2 tan4x
A. 4 sec2x
B. tan2x - 1
C. 3 sec2x - 2
D. sec2x + 2
Answer: C
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Find the perimeter and area of the figure.A square with sides of length 6.7 feet
A. P = 13.4 ft, A = 89.78 ft2 B. P = 36.8 ft, A = 89.78 ft2 C. P = 89.78 ft, A = 44.89 ft2 D. P = 26.8 ft, A = 44.89 ft2
Translate to a system of three equations, then solve.A company sells nuts in bulk quantities. When bought in bulk, peanuts sell for $1.20 per pound, almonds for $2.65 per pound, and cashews for $3.50 per pound. Suppose a specialty shop wants a mixture of 400 pounds that will cost $2.93 per pound. Find the number of pounds of each type of nut if the sum of the number of pounds of almonds and cashews is four times the number of pounds of peanuts. Round your answers to the nearest pound.
A. Peanuts: 270 lb., almonds: 80 lb., cashews: 50 lb. B. Peanuts: 80 lb., almonds: 50 lb., cashews: 270 lb. C. Peanuts: 90 lb., almonds: 50 lb., cashews: 260 lb. D. Peanuts: 50 lb., almonds: 270 lb., cashews: 80 lb.
Given that the graph of y = f(x) lies between the graphs of y = l(x) and y = u(x) for all x, use the Squeeze Theorem to find 
f(x).u(x) = 
, l(x) = -
, f(x) = (1 - 
)/x
A. -1
B. 0
C. 
D. 1
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 