Answer:
The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0.
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The average speed for his journey from York to Blackpool is 61.4 KM/H
Since Jessica has 40 cents, and one gum ball costs 8 cents, you need to divide 40/8 = 5. The answer is 5 gum balls
