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Mathematics
Sydney Sutton
9 September, 11:11
Given the function f (x) = - 5x^2-x+20 find f (3)
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Joshua Mercer
9 September, 13:13
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F (x) = - 5x^2 - x + 20;
f (3) = - 5*3^2 - 3 + 20 = - 5*9 - 3 + 20 = - 45 - 3 + 20 = - 28;
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