Tachometer

Tatra's tachometer shows the initial state 886123 km this morning. Tatra today travel at an average speed of 44 km/h. Determine the function that describes the Tatra's tachometer depending on the time. What is the state of tachometer after 4 hours?

Result

f(4) =  886299 km

Solution:

f(t)=886123+44t f(4)=886123+444=886299 kmf(t) = 886123+ 44 \cdot t \ \\ f(4) = 886123+ 44 \cdot 4 = 886299 \ \text{km}



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