# Value of the constant

• September 29th 2009, 05:05 PM
B-lap
Value of the constant
For what value of the constant "c" is the function "f" continuous on (-inf, inf) where:

cy+9 if y e(-inf,4)
cy^2-9 if y e (4, inf)
• September 29th 2009, 05:14 PM
artvandalay11
You just need to solve the equation that arises when you set them equal to eachother for y=4

$cy+9=cy^2-9$