exam Maths Puzzle Numerical Ability

Find p(-3) and p(5) for the function:
p(x)=2x^4+3x^3-9x^2+16x+13

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exam Other Question

Can someone please help me?

Solve by graphing
3x-6y=9
x-2y=3 Adult tickets for a play cost $17 and child tickets cost $2. If there were 32 people at a performance and the theater collected $364 from ticket sales, how many adults and how many children attended the play?