Fungsi g dirumuskan dengan g(x)=px + q. Jika g(4)=1 dam g(8)=13 maka g(0)=....

g(x) = px + q g( 4) = 4p + q = 1 g(8) = 8p + q = 13 Dengan eliminasi diperoleh -4p = -12 p = 3 4p + q = 1 4(3) + q = 1 12 + q = 1 q = 1-12 = - 11 g(x) = px + q g( x ) = 3x -11 g(0) = 3(0) -11 = -11