Mr. Brust and Mr. Kelly have invested some of their money in the stock market, which had been fluctuating over time. The projected value of Mr. Brush’s assets after t years is t^3 + 2t^2 - 3t +400. Mr. Kelly’s projected assets after t years is t^4 - 5t^2 + 100. a) how much did each of them invest? b) what is their combined wealth after 7 years? c) what is their combined wealth after t years?

146%

step-by-step explanation:

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.

step-by-step explanation:

the true ones are a b and d