Need help due in 10 mins pls

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then