Question

If f(x)=x²-16 is continuous at x = -4, find f(-4).

Answer 1

0

Explanation:

f(-4) means x = -4 so then plug -4 into the function.

y = -4²-16

y = 0

Answer 2

f(-4) =0

Explanation:

f(x)=x²-16

Let x = -4

f(-4) = (-4)^2 -16

= 16-16

= 0