‼️ (the question is in the picture)

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Me asap! what is the slope of this line? enter your answer in the box.

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?