exam Maths Puzzle Numerical Ability

How do you graph f(x)=(x+5)^3

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exam Other Question

I am having difficulty solving this exercise:

Multiply -3a^2b/35^5 times 14a^3b^2/-9b^4. Thank you in advance for any help you can give me. In a race you need to avg. 2 laps at 60 mph. If you go 30 mph in the first lap how fast must you go in the second lap to avg. 60 mph for both laps.