What is the answer of the chart (picture) please help

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

Which of those sequences is a geometric sequence

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?