Answer:
A, C, F
Explanation:
Given:
A : 4xy- 6x = y + 5
B: y^2-5x = 6
C: y^3 = 6-3x
D: y^2 + 2y =-x
E: |x+y| = 7
F: 5x - 6y + 3 = 0
G: |y| = 2x - 5
H: y^l0-8x- 1
Find:
Which equations graph as a function of x.
Solution:
Even-degree polynomial terms in y, and absolute-value expressions involving y can result in a given x-value being mapped to multiple y-values. When that is the case, the relation is not a function.
The relations that are functions of x are ...
A, C, F
__
The others are not, because ...
- even-degree in y: B, D, H
- absolute value in y: E, G