40. f(x) = x^2
f(-2)?
Jawaban :
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28.
f(x) = x^2 + 4x - 12
g(x) = 2x + 10
f(x) + g(x) ?
Jawab :
f(x) + g(x)
= x^2 + 4x - 12 + 2x + 10
= x^2 + 6x - 2 (D)
11. A particle moves in the xy plane so that its position at any time is given by the parametric equations x(t) = t^2 - t^3 and y(t) = 9 - 6...