Question

what value of h for f(x) = X^2 + 4x + 3, x≠2 and f(x) = 3hx, x=2 will the graph be continuous? Explain.

Answer 1

the limit for f(x) as x→2 is 2^2+4*2+3 = 15

So, we need 3h*2 = 15
h = 5/2