What is the inverse function of a quadratic?

Key Steps in Finding the Inverse Function of a Quadratic Function. Replace f ( x ) f(x) f(x) by y. Switch the roles of x and y. In other words, interchange x and y in the equation

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step-by-step explanation:

since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m