In the fifth grade at Lenape Elementary School, there are 3/4
as many girls as there are boys. There are 63 students in the fifth grade. How many students are girls?

Please help Evaluate the function when x=4

Blue- f(4) = 2(4) - 5 = 3

Teal- f(4) = 4

Yellow- f(4) = 1/2(4) + 1 = 3

Red- f(4) = 2(4) - 5 = -1