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For the following equation, evaluate 
f^(')(5).

f(x)=4x^(2)+3x
Answer:

For the following equation, evaluate f(5) f^{\prime}(5) .\newlinef(x)=4x2+3x f(x)=4 x^{2}+3 x \newlineAnswer:

Full solution

Q. For the following equation, evaluate f(5) f^{\prime}(5) .\newlinef(x)=4x2+3x f(x)=4 x^{2}+3 x \newlineAnswer:
  1. Identify Function: Identify the function to differentiate.\newlineWe are given the function f(x)=4x2+3xf(x) = 4x^2 + 3x and we need to find its derivative, denoted by f(x)f'(x).
  2. Differentiate Function: Differentiate the function f(x)f(x) with respect to xx. To find f(x)f'(x), we use the power rule for differentiation, which states that the derivative of xnx^n with respect to xx is nx(n1)n\cdot x^{(n-1)}. Differentiating 4x24x^2 with respect to xx gives us 24x(21)=8x2\cdot 4x^{(2-1)} = 8x. Differentiating 3x3x with respect to xx gives us xx11. So, xx22.
  3. Evaluate Derivative: Evaluate the derivative at x=5x = 5.\newlineWe substitute x=5x = 5 into the derivative f(x)f'(x) to find f(5)f'(5).\newlinef(5)=8(5)+3=40+3=43f'(5) = 8(5) + 3 = 40 + 3 = 43.

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