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def derive(f, x):
"""
Computes the derivative of a function f at a given point x.
Parameters:
f (function): The function to be differentiated.
x (float): The point at which to compute the derivative.
Returns:
float: The derivative of the function f at the point x.
"""
dx = 0.0001 # A small value approaching zero
dy = f(x + dx) - f(x)
derivative = dy / dx
return derivative
# Example usage:
def f(x):
return x**2
result = derive(f, 3)
print("The derivative of f(x) = x^2 at x = 3 is:", result)