Answer:
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Step-by-step explanation:
5 = 9 + 6
Answer: B
the parabola having (1,5) as vertex have as equation:
y=k*(x-1)²+5
It is passing through (2,8)
8=k*(2-1)²+5 ==> k+5=8 ==> k=3
equation is y=3(x-1)²+5
Answer B
to replace 2x we need +6x-4x
