Two functions f and g are defined by f:x → 3x - 1, g: x → 2x\(^3\), find fg(- 2).
F: x → 3x - 1
g: x → 2x\(^3\)
fg(-2)means put -2 into g(x) and put the answer of g(-2) into f(x)
g(-2) = 2(-2)\(^3\) = 2 x - 8 =16
fg(-2) = 3(-16) -1 = - 48 -1 = -49
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