Respuesta :

vaibhavsurapaneni197

Answer:

3x+4

Step-by-step explanation:

3 ft every second is the rate of change or the slope. 4 ft above the ground is the y-intercept.

asteriaaa

Answer:

y=3x+4

Step-by-step explanation:

3x is 3 feet multiplied by however many seconds

4 is the additional 4 feet that the balloon had started at

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