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g(-3)=-3(2)+8=2
x=-2
g(-2)=-2(2)+8=4
x=0
g(0)=0(2)+8=8
x=1
g(1)=1(2)+8=10
x=2
g(2)=2(2)+8=12
x=3
g(3)=3(2)+8=14
x=4
g(4)=4(2)+8=16
x=5
g(5)=5(2)+8=18
2.f(2)=3
f(2)=a(2)+b
3=2a+b....(1)
f(-3)=13
f(-3)=a(-3)+b
13=-3a+b...(2)
f(2)=2a+b
f(-3)=-3a+b
_____________ _
3=2a+b
13=-3a+b
__________ _
-10=5a
a=-2
3=2(-2)+b
b=3+4=7