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For the following equation, evaluate 
f^(')(1).

f(x)=-3x^(5)+3
Answer:

For the following equation, evaluate f(1) f^{\prime}(1) .\newlinef(x)=3x5+3 f(x)=-3 x^{5}+3 \newlineAnswer:

Full solution

Q. For the following equation, evaluate f(1) f^{\prime}(1) .\newlinef(x)=3x5+3 f(x)=-3 x^{5}+3 \newlineAnswer:
  1. Identify function & derivative: Identify the function and the derivative to be evaluated.\newlineWe are given the function f(x)=3x5+3f(x) = -3x^5 + 3 and we need to find its derivative f(x)f'(x) at x=1x = 1.
  2. Calculate derivative of function: Calculate the derivative of the function f(x)f(x). The derivative of f(x)=3x5+3f(x) = -3x^5 + 3 with respect to xx is f(x)=ddx(3x5)+ddx(3)f'(x) = \frac{d}{dx} (-3x^5) + \frac{d}{dx} (3). Using the power rule for differentiation, the derivative of 3x5-3x^5 is 15x4-15x^4. The derivative of a constant, 33, is 00. So, f(x)=15x4+0f'(x) = -15x^4 + 0, which simplifies to f(x)=15x4f'(x) = -15x^4.
  3. Evaluate derivative at x=1x=1: Evaluate the derivative at x=1x = 1. Substitute x=1x = 1 into the derivative f(x)=15x4f'(x) = -15x^4 to find f(1)f'(1). f(1)=15(1)4f'(1) = -15(1)^4 f(1)=15(1)f'(1) = -15(1) f(1)=15f'(1) = -15

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