SOLUTION: Does each equation represent a function? Explain why Yes or No. A)y=-4x B)y=3 C)x=-2 D)y=2x+3

Algebra ->  Functions -> SOLUTION: Does each equation represent a function? Explain why Yes or No. A)y=-4x B)y=3 C)x=-2 D)y=2x+3      Log On


   

Question 984233: Does each equation represent a function? Explain why Yes or No.
A)y=-4x
B)y=3
C)x=-2
D)y=2x+3
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Only C is not a function. It fails the vertical line test. The other graphs do not fail the vertical line test.