yes
Chat with our AI personalities
A line. The derivative of a function is its slope. If the slope is a constant then the graph is a line.
5
pH is a logarithmic scale; because of the way calculus and maths works, graphing such a scale against a log results in a straight line.
linear
See the many answers currently available. It equals the change in y divided by the corresponding change in x, as you go along any segment of the line.