Given the function f(x) = −5x2 − x + 20, find f(3).


Asked by maham237 @ in Mathematics viewed by 390 People

Answered by maham237 @




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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