On paper please

1. Knowledge/Understanding, Communication [8 marks] Identify whether the graph shows an exponential function or a polynomial function. Briefly explain how you decided which type of function the graph represents. i) ii) iv ) . . .. ... .. . 2. Knowledge/Understanding [8 marks] Identify whether each of the following is a polynomial function or exponential one. Briefly explain how you arrived at your answer. i) y = -3(7)+ 15 ii) y= x2 + 3x4 - 7x6 iii) y = 19 9 iv) y = 3x - 7x + 3x + 4