Mary Fischer

Mathematics

21 August, 01:17

Checking account earnings at Long's Bank are expressed by the equation,

I

=

-

0

.

06

x

+

8

.

3

.

The earnings at Fellow's Bank are modeled by

I

=

-

0

.

02

x

+

6

.

6

.

In both cases, x is the number of checks written.

For what range of checks will a checking account at Long's Bank generate more earnings income than one at Fellow's Bank? Show your work or explain how you got your answer.