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#30036

coordinate geometry

linear

medium

75 sec

A hot air balloon starts at an altitude of 200 feet and ascends at a constant rate of 50 feet per minute. Let $A (t)$ represent the altitude of the balloon in feet after $t$ minutes. If $A (t)$ is modeled by a linear function, what is the altitude of the balloon, in feet, when $t = 0$ ?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.