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Find the second derivative of the polynomial.\newlinef(x)=14x2f(x) = 14x^2\newlineWrite your answer as a polynomial in xx or as a constant. Simplify any fractions.\newlinef(x)=f''(x) = ______

Full solution

Q. Find the second derivative of the polynomial.\newlinef(x)=14x2f(x) = 14x^2\newlineWrite your answer as a polynomial in xx or as a constant. Simplify any fractions.\newlinef(x)=f''(x) = ______
  1. Identify function and task: First, identify the function given and what is asked. We need to find the second derivative of the polynomial f(x)=14x2f(x) = 14x^2.
  2. Calculate first derivative: Calculate the first derivative of f(x)f(x). The derivative of 14x214x^2 with respect to xx is 28x28x (using the power rule: ddx\frac{d}{dx} of axn=naxn1ax^n = n\cdot ax^{n-1}).
  3. Calculate second derivative: Now, calculate the second derivative. The derivative of 28x28x with respect to xx is 2828 (again using the power rule, this time the derivative of xx is 11).

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