Person 1 can do a certain job in fifteen minutes, and person 2 can do the same job in thirty minutes. when completing the job together, which expression would be used to represent the amount of work done by person 1? a.1/15 b. x/15 c.15 pls asap

goog may be able to you find that answer

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3