Diketahui f(x) = -6 + 2x. Nilai f(-3) + f(1) =.. satu lagi bantu ya

f(x) = -6 + 2x
f(-3) + f(1) = ?

f(-3) = -6 + 2(-3)
= -6 - 6 = -12
f(1) = -6 + 2(1)
= -6 + 2 = -4

f(-3) + f(1) = -12 + (-4) = -16

f(x)=2x-6

f(-3)=2(-3)-6
f(3)=-6-6
f(3)=-12

f(1)=2(1)-6
f(1)=2-6
f(1)=-4

f(-3) + f(1) = (-12) + (-4) = -16

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