Question

Please help me with part B

Answer 1

To find the zeros ( roots ) of f(x). Put f(x) = 0.

We have :

`0 = 10 - √(8 - x \\ ) \\ √(8 - x) = 10 \\ 8 - x = 100 \\ 8 - 100 = x \\ x = - 92`