What is the y-intercept for the function f(x)=2•5+4
A)y=2
B)y=4
C)y=6
D)y=14

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm