Substitute to find the value of the expression.A train must cover a distance of 2328 miles. The velocity, in miles per hour, of the train is  where t is the time, in hours, to complete the trip. If the train completes the trip in 24 hours, what is its velocity?

A. 0.01 mph
B. 92 mph
C. 97 mph
D. 55,872 mph


Answer: C

Mathematics

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Solve the problem.During clinical trials of a new drug intended to reduce the risk of heart attack, the following data indicate the occurrence of adverse reactions among 1100 adult male trial members. What is the probability that an adult male using the drug will experience nausea? 

A. 2.18% B. 2.36% C. 28.57% D. 1.82%

Mathematics

Without graphing, find the maximum value or minimum value.f(x) = (x + 9)2 - 2

A. 8 B. 10 C. 9 D. -2

Mathematics

Write using exponential notation.4 ? 4 ? 4 ? 4 ? 4

A. 54 B. 5 ? 4 C. 45 D. 40

Mathematics

Find a polynomial equation with real coefficients that has the given roots.1, 7

A. x2 + 7x + 8 = 0 B. x2 + 7x - 8 = 0 C. x2 - 8x + 7 = 0 D. x2 + 8x + 7 = 0

Mathematics