The marginal revenue from the sale of x units of a particular commodity is estimated to be r'(x)=50+3.5xe^-0.01x^2 dollars per unit where r(x) is revenue in dollars.
a.) find r(x), assuming that r(0)=0
b.) what revenue should be expected from the sale of 1000 units

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.