Integral Calculus

The Distance the Particle Travels with Given Position Function x(t) = t^4 - 8t^2

Problem
Given the position function x(t) = t4 - 8t2, find the distance that the particle travels at t = 0 to t = 4.

A.   160 C.   140
B.   150 D.   130

 

Answer Key

 

Find the Integral of dx / sqrt(1 + sqrt(x))

Problem
Evaluate $\displaystyle \int_0^9 \dfrac{1}{\sqrt{1 + \sqrt{x}}}$

A.   4.667 C.   5.333
B.   3.227 D.   6.333

 

 
 
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