f(x) = -2x + 5
f(-4) = -2(-4) + 5 = 8+5 = 13
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f(x)=-2(-4)+5.
=2.4+5
=8+5
=13
semoga benar & bermanfaat :3
f(x) = -2x + 5
f(-4) = -2(-4) + 5 = 8+5 = 13