What is the domain of the fuction represented in the graph

Ineed me i stuck and i don’t want to get it wrong

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.