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please answer fast! 1. Use the information obtained from the graph below, determine ONE equation of the polynomial functions that can be represented by this

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please answer fast!

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1. Use the information obtained from the graph below, determine ONE equation of the polynomial functions that can be represented by this graph. [4 marks] -4 -2 4 x -16 -20 2. Prove that sin (A+ B) cosB -cos( A+B) sinB-sinA=0 [4 marks] P. 8 of 12

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