EXPONENTIAL FUNCTIONS Compound Interest (Page 3 of 5)

Now move the cursor to the line for A. We need to enter a guess for A, say 800. Do not press ENTER! Leave the cursor on this line and press ALPHA SOLVE.

 Up arrow key. (4 times)

 800 ALPHA SOLVE key.

 Calculator screen image.

The value that appears next to A after doing this is the solution to the equation. Therefore, the balance after 3 years is approximately $598.34.
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