A dilation is when the shape changes I. Size
Looks like you did most of it.
The next step would be setting them equal to 105, like the problem suggests.



Then we can plug back in to find the numbers.




The three numbers are
.
Hope this helps.
頑張って!
ANSWER
The graph has no zero.
EXPLANATION
The given polynomial function is a quadratic graph that has its maximum point at

The graph has no x-intercept.
This implies that, the polynomial function represented by this graph has no zeros.
The correct answer is option D