Question

why is it important to give the client a time range for recovery rather than an exact date?
to loop the client into paying for more care than necessary.
because of the variable that can affect the rate of healing
to express your care for the client.
because insurance companies only allow for a certain amount of visits and if they heal faster than they expected, then we loose a client before we have collected all we can.

Explanation:

Recovery time is affected by multiple variables like age, overall health, severity of condition, and adherence to treatment. These variables make it impossible to predict an exact recovery date accurately.

Answer:

Because of the variable that can affect the rate of healing