Consider the graph of f(x) = n(x) d(x) 3 that is shown below. * + Preview ایت Preview -3 N 5 4 3 2 1 -1 -2 -3 -4 -5 y 1 2 3 4 a. When x = 2, n(x) is about how many times as large as d(x)? times as large Preview b. Suppose n(a) is 5.55 times as large as d(a), where a is some fixed number. What is the value of f(a)? X 5 f(a) = 5.55*d(a) c. Suppose d(b) is 2 times as large as n(b), where b is some fixed number. What is the value of f(b)? f(b) = n(b)*2 a

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A: increasing and decreasing intervals of fucntion  fx=3x4 − 4x3 − 12x2 + 5

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