What is the value of (gof)(4)?
f(x)=4x-7; g(x)=x+3

what is the domain of (fog)(x)?
f(x)=2/x; g(x)=|x|-1

Volume of cylinder with a radius of 8cm and height of 25 cm

What is the value of x in the diagram below?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?