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= 3x - 2 + x² + 3
= x² + 3x + 1
b. (f+g) (2) = 2² + 3.2 + 1
= 4 + 6 + 1
= 11
c. (g-f) (x) = g(x) - f(x)
= (x² + 3) - (3x - 2)
= x² + 3 - 3x + 2
= x² - 3x + 5
d. (f.g) (x) = f(x).g(x)
= (3x - 2) . (x² + 3)
= 3x³ + 9x -2x² - 6
e. (f.g) (-1) = 3.(-1)³ + 9.(-1) - 2.(-1)² - 6
= 3.(-1) + 9.(-1) - 2.1 - 6
= -3 - 9 - 2 - 6
= -20
f. (f/g) (3) =