Determine if the vertex of the graph is a maximum point or a minimum point.f(x) = 3x2 + 2x + 2
A. Maximum
B. Minimum
Answer: B
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(0, 5)} B. {(-1, 5)} C. no solution; ? D. {(0, 4)}
Find the indicated probability or percentage for the normally distributed variable.The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy lasts at least 300 days?
A. 0.983 B. 0.018 C. 0.017 D. 0.483
Decide whether the expression is or is not an identity.sin (A + 
) = sin A + cos A
A. Not an identity B. Identity
Choose the most reasonable unit of measure.An adult: 78 
(mg, g, or kg)
A. mg B. g C. kg