1- Find the function contract (hint: it is in thecomments before the function declaration) for thereadLineLocation() function in engi1020.h. Summarize its purposeand the meaning of its return value.
2- In the images below, the sensor reading returned fromreadLineLocation() is shown on the LED screen. For each image,identify the value, and indicate in which direction the robotshould turn or steer (left, right, or keep straight).

4. Given your answers to the previous questions, draw aflowchart or create pseudocode for an algorithmthat could be used to keep a 3pi robot “on course” when following aline,
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