Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -3, -2, 3; degree 3
A. f(x) = x3 - 2x2 + 9x - 18
B. f(x) = x3 + 2x2 + 9x + 18
C. f(x) = x3 - 2x2 - 9x + 18
D. f(x) = x3 + 2x2 - 9x - 18
Answer: D
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Give the equation of the horizontal asymptote, if any, of the function. f(x) =
A. y = -1, y = 1 B. y = -4 C. no horizontal asymptotes D. y = 0
Write the new function.The linear function f(x) = 459x + 3420 provides an approximation of the annual cost (in dollars) of health insurance for a family of three, where represents 1987,
represents 1988, and so on. Write a new function, g(x), that yields the same f(x)-values when the exact year number is entered.
A. g(x) = 459(1986 - x) + 3420 B. g(x) = 459(x - 1986) + 3420 C. g(x) = 459(x - 1987) + 3420 D. g(x) = 459(1987 - x) + 3420
Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? -x y ? -x2 + 4 B. y ? x y ? x2 + 4 C. y ? -x y ? -x2 + 4 D. y ? -x y ? -x2 + 4
Use your calculator to approximate the integral using the method indicated, with n = 100. Round your answer to four decimal places. dx (trapezoidal rule)
A. 19.1491 B. 19.0855 C. 19.0870 D. 20.0855