exam Maths Puzzle Numerical Ability


f(x)=-x^+4x-3




Graph y=f(x)

Show x-and y-intercepts and vertex on the graph

I actually thought y was f(x) from how it was explained in class, where am I off on this?

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An investment advisor invested $25,000 into two simple interest accounts. One investment earned 12.5% annual simple interest; the other investment earned 13.9%
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