content_image/315825.jpg content_image/315823.jpg content_image/315822.jpg
where 

<img src='content_image/315825.jpg'>

## Theorem 2 

Theorem 2 Under M. 1 − M. 5 , and CPQD, sharp bounds on F$_{0}$ ( y$_{0}$ ) , F$_{1}$ ( y$_{1}$ ) , and F$_{Δ}$ ( δ ) are identical to those given in Theorem 1. Sharp bounds on F ( y$_{0}$, y$_{1}$ ) are obtained as follows: for ( y$_{0}$, y$_{1}$ ) ∈$_{R}$ ×$_{R}$ , 

where 

<img src='content_image/315823.jpg'>

<img src='content_image/315822.jpg'>

