Determine for which value of ccc the function f(x)={cx+3x≤2x2−1x>2f(x) = \begin{cases} cx + 3 & x \leq 2 \\ x^2 - 1 & x > 2 \end{cases}f(x)={cx+3x2−1x≤2x>2 is continuous at x=2x=2x=2.
c=1c = 1c=1
c=2c = 2c=2
c=−1c = -1c=−1
c=4c = 4c=4