Consider the graph of the function f(x) = 2(x + 3)2 + 2. over which interval is the graph decreasing?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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 ?

Just tell me how to set up the equation.