8. Express the quadratic function f(x)= x + 2x - 1 in standard form. a. f(x)= (x+1) + 1 b. (x+1) - 2 c. (x+12 + 2 d. (x+1)-1
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8. Express the quadratic function f(x)= x + 2x - 1 in standard form. a. f(x)= (x+1) + 1 b. (x+1) - 2 c. (x+12 + 2 d. (x+1)-1
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Answer:
f (×)=×+2×-1
× + 2 ×-1=0
X=⅓