Find the median. If necessary, round to one decimal place.8, 14, 23, 28, 37, 48
A. 28
B. 23
C. 22.5
D. 25.5
Answer: D
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Factor the trinomial.15x2 - 14xy - 8y2
A. (3xy - 4)(5xy + 2) B. (3x + 4y)(5x + 2y) C. (3x - 4y)(5x + 2y) D. (15x - 4y)(x + 2y)
Give the equation of the vertical asymptote(s) of the rational function.f(x) =
A. y = 3
B. x =
C. x = -
D. x = 8
Find the inverse of A if it has one, or state that the inverse does not exist.A =
A.
B.
C. Inverse does not exist
D.
Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. A certain radioactive isotope has a half-life of approximately 1500 years. How many years would be required for a given amount of this isotope to decay to 25% of that amount?
A. 3000 years B. 1125 years C. 2975 years D. 623 years