How can you identify the zeros of a function from a graph ?

Step-by-step explanation:

Set the Format menu to ExprOn and CoordOn. Press [2nd][TRACE] to access the Calculate menu. Press [2] to select the zero option. If necessary, repeatedly press Set the Left Bound for the zero you desire to find.

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72