Question

Here is an expression: 3.21. Evaluate the expression when t is 1.2. Evaluate the expression when t is 4.

Answer 1

a) 6

b) 48

Explanation:$\text{Expession = 3.2}^t$

a) when t = 1

$\begin{gathered} it\text{ becomes = 3}\times2^1 \\ =\text{ 3}\times2 \\ =6 \end{gathered}$

b) when t = 4

$\begin{gathered} 3\times2^t\text{ = 3}\times2^4 \\ =\text{ 3}\times16 \\ =\text{ }48 \end{gathered}$