A boat is travelling due west at a speed of 47miles per hour. If the boat started off 170miles directly north of the city of Smithville, how fast is the distance between the boat and Smithville changing when the boat has travelled 78miles? (Do not include units in your answer, and round to the nearest hundredth.)
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 boat is travelling due west at a speed of
47
miles per hour. If the boat started off
170
miles directly north of the city of Smithville, how fast is the distance between the boat and Smithville changing when the boat has travelled
78
miles? (Do not include units in your answer, and round to the nearest hundredth.)
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