Read each question. Then write the letter of the correct answer on your paper.If f(x)=2x² and g(x)=3(x+1) , which is an equivalent form of f(x)+g(x) ? f. 2x²+3 x+1 g. 2x²+3 x+3 h. 2x²+3x-3 i. 5x³+3