If f(x)=4x-3 and g(x)=8x+3, what is the function value of f[g(3)]

What is the measure of x, in degrees

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Ithink i know it but i want to be sure so can you me out ?