A Company Predicts That Sales Will Increase Rapidly After a New

Multiple Choice

A company predicts that sales will increase rapidly after a new product is released, with the number of units sold weekly modeled by N $\mathrm { N } = 7000 ( 0.2 ) ^ { 0.5 ^ { t } }$ , where t represents the number of weeks after the product is released.
What is the expected upper limit on the number of units sold per week?

A) 9100 units
B) 7000 units
C) 8400 units
D) 1400 units