Hiiiiiiiii the answer is .......... I don’t knowwweeee!!!!!
The sum will be x+y because their ages are variables.
6
Range is the difference of min and max y values
= <span>(-8x - 9)(-9x2 + 7x - 9)
= 72x</span>³ - 56x² + 72x + 81x² - 63x + 81
= 72x³ + 25x² + 9x + 81
In short, Your Answer would be: Option D
Hope this helps!
