exam Maths Puzzle Numerical Ability

Please help I'm struggling with this. Thanks!

Given this equation, is the vertex (2,5); axis of Sym X= -1;
and y - intercept (0,5)?

y=(-X^2+4X+5)

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exam Other Question
5x/x^2-x-6 - 4/x^2+4x+4

How do you factor this problem out step by step? An investor puts $3000 in 2 CDs, one of which earns 5% annually and the other earns 4% annually. After 2 years he has earned $260. How much has he invested in each CD?

Can anyone solve this for me? I am a total math loser!!

Thanks so much.