If f(x) = e^x + x^2, what is f'(0)? (2021)

Practice Questions

Q1
If f(x) = e^x + x^2, what is f'(0)? (2021)
  1. 1
  2. 2
  3. e
  4. 0

Questions & Step-by-Step Solutions

If f(x) = e^x + x^2, what is f'(0)? (2021)
  • Step 1: Identify the function f(x) = e^x + x^2.
  • Step 2: Find the derivative of the function, which is f'(x). The derivative of e^x is e^x, and the derivative of x^2 is 2x.
  • Step 3: Combine the derivatives to get f'(x) = e^x + 2x.
  • Step 4: To find f'(0), substitute 0 into the derivative: f'(0) = e^0 + 2(0).
  • Step 5: Calculate e^0, which equals 1, and 2(0), which equals 0.
  • Step 6: Add the results from Step 5: 1 + 0 = 1.
  • Step 7: Therefore, f'(0) = 1.
  • Differentiation – The question tests the ability to differentiate a function and evaluate the derivative at a specific point.
  • Exponential and Polynomial Functions – The function involves both an exponential term (e^x) and a polynomial term (x^2), requiring knowledge of their derivatives.
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