The mass of an object can be modeled by the expression ? +2t? +4 grams where t is time in seconds. The object must be separated into
t +1 equal parts. Which expression models the mass in grams of one
of the parts?
12 of 18 QUESTIONS
t+t-1-5
t+1
O ++3+3 - 771
Ct+t-1+ 1
0 1² + 3 + 3 + 1 1 1