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f(x) = 3x² + 5x - 2
g(x) = 5x³ - 4x² + 4
Find (f + g)(x)
OA. (f+g)(x) = 5x³+3x²+x+2
O B. (f+g)(x) = 5x³ - x² + 5x+2
O c. (f+g)(x) = 8x³ + x + 2
O D. (f+g)(x) = -5x³ +7x² + 5x - 6