Hmmmm. Riley, I just thought of something{{CMD_7}} {{CMD_8}} What is it? {{CMD_9}} When we compute derivatives, we are looking at the slope of tangent lines right? {{CMD_10}} You know it. {{CMD_11}} Well, I wonder: Instead of studying curves, could we just study ``zoomed-in'' lines? {{CMD_12}} I'm not sure{{CMD_13}} {{CMD_14}}