The domain of the function in interval form is (-∞, -8) U (-8, ∞)
The domain of a function is the point where the real value of the function exists.
Given the funciton
f(x) = x - 7/x+8
The function will exist on all real values except the point where the denominator is zero.
x + 8 = 0
x = -8
The domain of the function in interval form is (-∞, -8) U (-8, ∞)
Learn more on domain here: https://brainly.com/question/25959059