Solve the problem.A piece of molding 191 cm long is to be cut to form a rectangular picture frame. What dimensions will enclose the largest area?
A. 47.75 cm × 47.75 cm
B. 13.82 cm × 13.82 cm
C. 13.82 cm × 47.75 cm
D. 38.2 cm × 38.2 cm
Answer: A
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Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 4x3 - 5x2 + 8x - 10
A. 10; f(x) = (x - 10)(4x2 + 1)
B. 
; f(x) = (4x - 5)(x2 + 2)
C. 2, 
, 1; f(x) = (4x - 5)(x - 1)(x - 2)
D. -2, -1, 
; f(x) = (4x - 5)(x + 1)(x + 2)
Solve the triangle.a = 19, b = 16, c = 11
A. A = 35.3°, B = 57.3°, C = 87.4° B. A = 87.4°, B = 57.3°, C = 35.3° C. A = 57.3°, B = 87.4°, C = 35.3° D. A = 87.4°, B = 35.3°, C = 57.3°
If the sets A and B are nonempty and disjoint, what does 
equal?
?
A. 
B. 
C. A
D. B
E. 
Simplify. Assume that all radicands are nonnegative.
? sin x
A. cos x 
B. 
C. cos x 
D. sin x cos x 