jika {f(x) = 10x - 7 {g(x) = 2x +9 {h(x) = 2f(x) + 3g(x) maka h (3) adalah...

h(x) = 2(10x-7) + 3(2x+9)
= 20x -14 + 6x + 27
= 26x + 13
h(3) = 26(3) + 13
= 78 + 13
= 91

h(x) = 2(10x -7) + 3(2x +9)
= (20x -14) + (6x +27)
= 26x +13
h(3) = 26 (3) + 13
= 78 + 13
= 91