Find a formula for the nth term of the sequence.0, 2, 2, 2, 0, 2, 2, 2 (0, 2, 2, 2 repeated)
A. an = 1 + (-1)n(n-1)/2
B. an = 1 + (-1)n(n+1)/2
C. an = 1 + (-1)n(n+1)(n+2)/6
D. an = 1 + (-1)(n+1)(n + 2)/2
Answer: C
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Solve the equation for solutions in the interval [0°, 360°).
sec 2? = 2
A. ? = 0°, 120°, 180°, 240° B. ? = 15°, 165°, 195°, 345° C. ? = 105°, 165°, 285°, 345° D. ? = 30°, 90°, 150°, 270°
Use the fundamental identities to simplify the expression.sin2? + tan2? + cos2?
A. cos3? B. sin ? C. sec2? D. tan2?
Convert the units.64 kg = 
g
A. 0.64 g B. 0.064 g C. 6400 g D. 64,000 g
Solve the problem using the normal curve approximation to the binomial distribution.A certain question on a test is answered correctly by 22% of the respondents. Estimate the probability that among the next 150 responses there will be at most 40 correct answers.
A. .0694 B. .1003 C. .9306 D. .8997