Use a graphing calculator to make a conjecture as to whether each equation is an identity.(sin x + cos x)2 = 1
A. Identity
B. Not an identity
Answer: B
Mathematics
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Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Mathematics
Add the given vectors.
A. R = 4600, ? = 35° B. R = 2800, ? = 113° C. R = 4600, ? = 215° D. R = 2800, ? = -67°
Mathematics
Answer the problem with a sentence containing the requested measurement.A pebble on the beach weighs 191 decigrams. Express this number in milligrams.
A. A pebble on the beach weighs 1910 milligrams. B. A pebble on the beach weighs 19,100 milligrams. C. A pebble on the beach weighs 1.91 milligrams. D. A pebble on the beach weighs 19.1 milligrams.
Mathematics
Solve the equation.x4 - x3 - 56x2 = 0
A. -7, 0, 8 B. -8, -7, 0 C. -7, 8 D. -8, 0, 7
Mathematics