142 ? 1c Q2 H

You are given that a'(t) = 3t² + 2t + 1. Determine the force of interest at t = 5. (use a percentage, rounded to the nearest 100th, without % sign. For example, 0.1234 = 12.34% 12.34)

142 ? 1c Q3 H

You are given: A(t) = K t² + L t + M for 0 t 2 A(0) = 100 A(1) = 110 A(2) = 136 Determine the force of interest at time t = 1/2. (use a percentage, rounded to the nearest 100th, without % sign. For example, 0.1234 = 12.34% 12.34)

142 X? 1g Q2 H

The accumulation function is a(t) = 1 + 0.05 ln(t + 1). X is deposited at time 5. At time 10, there is $100 in the account. Determine X. (use a decimal number, rounded to the nearest 100th, without $ sign. For example, 12.34)