Question: A Function is defined by f(x)=acos(bc)+d, where b>0. Find the value of A, B and D 20 A function is defined by f (x) =

A Function is defined by f(x)=acos(bc)+d, where b>0. Find the value of A, B and D

20 A function is defined by f (x) = a cos(bx) + d, for x E R, where b > 0. Part of the graph of f is shown on the diagram below. B 3 1 - - 2 2 -2 -3 A The graph of f has a minimum at A(2, -5) and a maximum at B(4, 3). Find the value of: a a b) b c) d
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