diket suatu fungsi f(x)=ax+b jika f(-1)=5 dan f(-3)=-13 maka f(2) adalah

f (-1) = -a + b = 5
f (-3) = -3a + b = -13 —
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<====> 2a = 18
<====> a = 9

-9 + b = 5
b = 5 + 9
b = 14

Rumus : f(x) = 9x + 14


f (2) = 9.2 + 14 = 18 + 14 = 32


— Maaf bila ada kesalahan —