Calculate the derivative of f(x) = e^(2x).

Practice Questions

Q1
Calculate the derivative of f(x) = e^(2x).
  1. 2e^(2x)
  2. e^(2x)
  3. 2xe^(2x)
  4. e^(x)

Questions & Step-by-Step Solutions

Calculate the derivative of f(x) = e^(2x).
Correct Answer: 2e^(2x)
  • Step 1: Identify the function you want to differentiate, which is f(x) = e^(2x).
  • Step 2: Recognize that this function is a composition of two functions: the outer function e^u (where u = 2x) and the inner function u = 2x.
  • Step 3: Apply the chain rule, which states that the derivative of e^u with respect to x is e^u times the derivative of u with respect to x.
  • Step 4: Differentiate the outer function e^u. The derivative of e^u is e^u itself.
  • Step 5: Differentiate the inner function u = 2x. The derivative of 2x is 2.
  • Step 6: Combine the results from the chain rule: f'(x) = e^(2x) * 2.
  • Step 7: Simplify the expression: f'(x) = 2e^(2x).
  • Chain Rule – The chain rule is a formula for computing the derivative of the composition of two or more functions.
  • Exponential Functions – Understanding the properties of exponential functions, particularly how their derivatives behave.
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