When f ‘(x) is positive, f(x) is
increasing
When f'(x) is positive, it means that the function f(x) is increasing. This means that as we move along the x-axis from left to right, the value of f(x) is gradually getting larger. So, to summarize, when f'(x) is positive, we can say that f(x) is increasing or getting larger.
For example, if f(x) = x^2, then f'(x) = 2x. When x is positive, f'(x) is positive, which means that the function f(x) is increasing. As x increases, so does the value of f(x).
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