Find so that the following function is continuous on any interval: f(x)=kx 0<x<4, and f(x) = 5x^2 if 4<x

Answer 1

What is f(4)?

Answer 2

at f(4), one side = 4k, the other 80

to make them continous, k must be 20

Answer 3

I agree with bobpursley if 0<x<=4 or 4<=x