If the functions y=9/2x^2 was placed in the form y=ax^b , where a and b are real numbers, then which of the following is the value of a+b?

(1) 3/2. (2) -6 (3)15 (4) -4/3

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor with some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)= 2x+1 g(x)= 2x^2+1