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f(3) = p(3) +q = 10
= 3p +q = 10
f(-2) = p(-2) +q = 0
= -2p +q = 0
3p +q = 10
-2p +q = 0 -
5p = 10
p = 10/5
p = 2
3p +q = 10
3(2) +q = 10
6 +q = 10
q = 10 -6
q = 4
Maka, nilai :
f(-7) adalah
f(x) = 2x +4
f(-7) = 2(-7) +4
= -14 +4
= -10
Itu jawabanny