Question

Which of these relations are functions?
y = 5
x = -2
y=2x-5
2y=x-4

Answer 1

True

EXPLANATIONDETAIL STEPS:

(A)Determine whether y = 5 is a function: Click for video explanations: True

(B)Determine whether x = -2 is a function: Click for video explanations: False

(7)Determine whether y = 2x-5 is a function: Click for video explanations: True

(D)Determine whether 2y = x-4 is a function: Click for video explanations: True

(A)Determine whether

=

is a function: Click for video explanations: True

(B)Determine whether

=

is a function: Click for video explanations: False

(7)Determine whether

=

is a function: Click for video explanations: True

(D)Determine whether

=

is a function: Click for video explanations: True

Answer 2

The answer is 2y=x-4