Q. Find the second derivative of the polynomial.f(x)=−9x2Write your answer as a polynomial in x or as a constant. Simplify any fractions.f′′(x)= ______
Find First Derivative: First, we need to find the first derivative of the polynomial f(x)=−9x2. Using the power rule, which states that dxd[xn]=nxn−1, we apply it here:dxd[−9x2]=−9×2x2−1=−18x
Find Second Derivative: Next, we find the second derivative of the polynomial by differentiating −18x. Again, using the power rule:dxd[−18x]=−18×1x1−1=−18
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