The rectangle graphed has a length of 5 and a width of 4 how does the perimeter change when the width is decreased by half

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

A50% increase followed by 33 1/2% decrease

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project