exam Maths Puzzle Numerical Ability

can you help me with this problem?
x2+7x+10
thank yu

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exam Other Question

Could someone please help me try and figure this problem out. I have such a hard time with this. How many ounces of pure water must be added to 80oz of a 35% salt solution to make a 14% salt solution. I am not sure on even how to set this up. Thanks f(x)= -square root of (x-3) +4 (not under square root.
Using transformations, graph the function by hand