HELP ITS ON ORDERED PAIRSS AND THE ANSWER IS NOT B ACCORDING TO MY TEACHER
Explanation needed

C

Step-by-step explanation:

B and D have repeat x values , which do not make functions.

Linear means goes in the same direction

A starts big gets smaller and then gets bigger

C starts big and keeps getting bigger.  This is a linear function

C.

Step-by-step explanation:

It isn't B because that is a vertical line x = 1 which is not a linear function. A linear function is of the form y = mx + b where m = slope and b = y-intercept.

To check for a linear function we find the slopes between adjacent points. If the slope is constant between each pair of points then it's linear.

A:

slope = (4 - 8) / (0 - -2) = -4/2 = -2.

(3 - 4) / (2 - 0) = -1/2

So its not A.

C. (12-7)/(0--2) = 5/2

(17-12)/(2-0) = 5/2

(22-17)/(4-2) = 5/2

This is a line of slope 5/2

This is a linear function.

nlgqer

step-by-step

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step-by-step explanation: