SOLUTION: can someone help me with this question: Which common graph represents a horizontal line? a. The constant function b. The identity function c. The inverse function d. None

Question 159700: can someone help me with this question:
Which common graph represents a horizontal line?
a. The constant function
b. The identity function
c. The inverse function
d. None of the above, horizontal lines are not functions
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
can someone help me with this question:
Which common graph represents a horizontal line?
a. The constant function
b. The identity function
c. The inverse function
d. None of the above, horizontal lines are not functions
---------------------------
a. The constant function. It's called 'constant' because the value of y is a constant.
y = 2 is a horizontal line 2 units above the x-axis, parallel to the x-axis.
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