exam Maths Puzzle Numerical Ability

Hello,

I really need help with the following.


Plot the graphs of the following functions. Scan the graphs and post them to the Facilitator along with your response.

4.

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exam Other Question

please help me factor as completely as possible
5x^3y-15x^4y^2 i know i have to find the gcf first 5*15=75 but i dont know what to do after that.
If the product of two consecutive even integers is 34 larger than their sum then what are the two integers?