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Verified answer
Jawab1.
f(x) = 3x+ 4
g(x)= -4x + 3
a. (f+g)(x) = -x + 7
b. (f+g)(-2) = 2+7 = 9
c. (f+g)(2) = -2 +7 = 5
2.
f(x)= 2x² + 5x - 2
g(x)= x²-2x -3
a. (f+g)(x) = 3x² + 3x - 5
b. (f+g)(3)= 3(9) + 3(3) - 5 = 31