A plumber charges $70 per hour plus $40 for the call. What does he charge for 4 hours of work? Use x to represent the hours of w
2 answers:
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A numerical expression contains numbers and operations. An algebraic expression is almost exactly the same except it also contains variables.
Answer:
8.3 L/s
Step-by-step explanation:
To find the answer you need to find the slope also known as the rate of change. When you find slope it is always change in y over change in x.
Then simplify
Then divide to get your slope/average rate of change
= 8.3