Determine whether the graph is the graph of a function

Step-by-step explanation:

The key to being able to identify correctly whether a relation is a function or not is to look at the x values.  A relation is NOT a function if any x value is used more than once.  In our graph, there are no repeats of any x value, so this relation is in fact a function.

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation:

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry