An artificially intelligent car decreases its speed based on its distance from the car in front of it. Which algorithm is used?

An artificially intelligent car decreases its speed based on its distance from the car in front of it. Which algorithm is used? Correct Answer Linear Regression

The output is numerical. It determines the speed of the car. Hence it is not a classification problem. All the three, decision tree, naïve-Bayes, and logistic regression are classification algorithms. Linear regression, on the other hand, outputs numerical values based on input. So, this can be used.
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