B. 2 1/2 feet. multiply 2.5 inches by 12 to get thirty inches then divide by 12 to get 2.5 feet
Answer from: Quest
hello,
as we don't know if g(x) is continue,
answer b
f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7
vertex is (2,-7) ( a minimum since coefficient of x² is > 0)
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