Super strength inc. has found that the realtionship between their sales and their net profit can be described by a polynomial function g(x) in which x is their sales (in thousands of dollars). what would be appropriate domain for this function

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60