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

f(x)=2x^(5)+x^(2)-3
Answer:

For the following equation, evaluate f(1) f^{\prime}(1) .\newlinef(x)=2x5+x23 f(x)=2 x^{5}+x^{2}-3 \newlineAnswer:

Full solution

Q. For the following equation, evaluate f(1) f^{\prime}(1) .\newlinef(x)=2x5+x23 f(x)=2 x^{5}+x^{2}-3 \newlineAnswer:
  1. Apply Power Rule: To find the derivative of the function f(x)=2x5+x23f(x) = 2x^5 + x^2 - 3, we need to apply the power rule to each term where the power rule states that the derivative of xnx^n is nx(n1)n\cdot x^{(n-1)}.
  2. Derivative of 2x52x^5: Applying the power rule to the first term: The derivative of 2x52x^5 is 52x51=10x45\cdot2x^{5-1} = 10x^4.
  3. Derivative of x2x^2: Applying the power rule to the second term: The derivative of x2x^2 is 2x21=2x2\cdot x^{2-1} = 2x.
  4. Derivative of constant: The third term is a constant, 3-3, and the derivative of a constant is 00.
  5. Combine derivatives: Combining the derivatives of all terms, we get the derivative of the function f(x)f(x): f(x)=10x4+2xf'(x) = 10x^4 + 2x.
  6. Substitute x=1x=1: Now we need to evaluate the derivative at x=1x = 1. Substitute xx with 11 in f(x)=10x4+2xf'(x) = 10x^4 + 2x.
  7. Evaluate f(1)f'(1): Evaluating the derivative at x=1x = 1: f(1)=10(1)4+2(1)=10+2f'(1) = 10(1)^4 + 2(1) = 10 + 2.
  8. Simplify final value: Simplify the expression to find the final value: f(1)=10+2=12f'(1) = 10 + 2 = 12.

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