Pertanyaan :
Jawaban :
Yang A
(y + 3)²
(y + 3)(y + 3)
y(y) + y(3) + 3(y) + 3(3)
y² + 3y + 3y + 9
y² + 6y + 9
(y + 3)²
(y + 3)(y + 3)
y(y) + y(3) + 3(y) + 3(3)
y² + 3y + 3y + 9
y² + 6y + 9
Yang B
f(x) = 3x – 2
f(a) = 7
f(x)= 3x – 2
7 = 3x – 2
3x = 9
x = 9/3
x = 3