Question

What values are not in the domain of (-5+2x^2)/7-8x ?

Answer 1

`(-5 + 2x^(2))/(7 - 8x)`

The denominator cannot equal zero.

7 - 8x ≠ 0

7 ≠ 8x

`(7)/(8) \\eq (8x)/(8)`

`(7)/(8) \\eq x`

Answer:
`(7)/(8)` is not in the domain