Answer:
B) 3x² + 12x + 19
H) f(x) = 4
Step-by-step explanation:
y = 3(x + 2)² + 7 = 3 ( x² + 4x + 4) + 7 = 3x² + 12x + 12 + 7 = 3x² + 12x + 19
f(x) = 4
x=1 f(1) = 4
x=3 f(3) = 4
x=7 f(7) = 4
x=12 f(12) = 4
