exam Maths Puzzle Numerical Ability

Graph each function. First find the Vertex and Axis of Symmetry:
1. f(x)=-x^2+x-1

2. g(x)=2x^2+4x-1

3. y=x^2+10x+25

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exam Other Question
An aid in the mathematical department office gets paid $3 per hour for clerical work and $8 per hour for tutoring. If she wants to work a total of 20 hours and earn at least $145, what is the maximum number of hours X she can spend on clerical work? Subtract

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