A hot-air balloon is flying in a straight east-west line, at an altitude of 3 miles. It maintains a constant speed of 50 miles per hour. The balloon is passing directly over your head when you first notice it. How fast is the balloon’s distance from you increasing at the moment when it is flying over a point on the ground exactly 4 miles west from you?
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
A hot-air balloon is flying in a straight east-west line, at an altitude of 3 miles. It
maintains a constant speed of 50 miles per hour. The balloon is passing directly
over your head when you first notice it. How fast is the balloon’s distance from you
increasing at the moment when it is flying over a point on the ground exactly 4 miles
west from you?
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