exam Maths Puzzle Numerical Ability

I have to graph the function y=5. How would i find the points to graph it?

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exam Other Question

write the expression as the sum or difference of logarithms. Express powers as factors.
HELP! Not sure how to do this.
ln x(x+1)^2 over radical x-3 all but the ln is in a set o A large pump can fill a 54,000 gallon reservoir in 8 hours. Working together, the largepump and a smaller one can fill the reservoir in 6 hours. How long would it take the smaller pump to fill the reservoir by itself?