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#### 4Question: In the context of machine learning, which of the following best describes the purpose of gradient descent?
A. To estimate the probability distribution of a dataset
C. To minimize the loss function by iteratively updating model parameters
D. To evaluate model performance using cross-validation
E. To normalize input features for better convergence
F. To generate synthetic training data
G. To visualize decision boundaries of classifiers
H. To encode categorical variables into numerical form