Tolong kak mau dikumpulkan, tolong jawab dengan benar
f(x) = ax + b
f(2) = 2a + b
14 = 2a + b
f( - 2) = - 2a + b
6 = - 2a + b
2a + b = 14
- 2a + b = 6
__________ +
2b = 20
b = 10
2a + b = 14
2a + 10 = 14
2a = 4
a = 2
Maka diketahui rumus f(x) = 2x + 10
f(0)
= 2 ( 0 ) + 10
= 0 + 10
= 10
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