Problema Solution

A weight lifter can bench press 165 pounds. She plans to increase the weight W(x) in pounds that she is lifting according to the function W(x)=165(1.05)x, where x represents the number of training cycles she completes. How much will she bench-press after 4 training cycles?

Answer provided by our tutors

its easy.   w(x)=165(1.05)x     

               w(x)=165(1.05)(4)    first muiltiply the 1.05 and 4

               w(x)=165(4.2)          then muiltiply 165 and 4.2

                w(x)=639               and thats your answer