What is prime notation and can you give me an example

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

How do i solve uniform motion problems?

A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25