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= 9+6 = 15
f(2) = -3.2 +6
= -6 +6 = 0
-3x+6 = -9
-3x = -9-6
-3x = -15
x = 5
= 9 + 6
= 15
f(2) =-3.2 +6
=-6 + 6
= 0
B. f(a) =-3.a +6 = -9
=-3a +6 = -9
= -3a = -9-6
= -3a = -15
= a = -15/-3
= a = 5