Sagot :
Answer:
8
8
8
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8
Step-by-step explanation:
acebbko
Answer:
f(x) = 3(x + 2)² + 1
f(x) = 3(x + 2)(x + 2) + 1
f(x) = 3(x² + 4x + 4 ) + 1
f(x) = 3x² + 12x + 12 + 1
f(x) = 3x² + 12x + 13
Vertex ( -2 , -17 )
x-vertex:
-b/2a = -12/ 2(3) = -12/6 = -2
y-vertex:
= 3x² + 12x + 13
= 3(-2) + 12(-2) + 13
= -6 - 24 + 13
= -30 + 13
= -17