Is this the right way for descending or do I switch the -5 with +2rs

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )