Help- Factor 1
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What is f(x) = x2 - 8x + 11 written in vertex form?
f(x) = (x-4)² – 5
f(x) = (x – 4)2 + 5
f(x) = (x + 4)2 - 27
f(x) = (x + 4)2 + 27
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Factor 2
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X
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Is a positive integer raised to a negative power always positive

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)