The number of acres in a landfill is given by the function $B = 2900 \mathrm { e } ^ { - 0.05 t }$ where t is measured in years. How many acres will the landfill have after 8 years? (Round to the nearest acre.)
A) 2657 acres
B) 1944 acres
C) 1154 acres
D) 1155 acres

Question

Quizplus · Accepted Answer

To find the number of acres after 8 years, substitute $t = 8$ into the function: $B = 2900 \mathrm{e}^{-0.05 \times 8}$. Calculating this gives approximately 1944 acres.

The Number of Acres in a Landfill Is Given by the Function