Let f(x) be the probability density function for the lifetime of a manufacturer's highest quality car tire, where x is measured in miles. explain the meaning of each integral. (a) 40,000 f(x) dx 20,000

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.