Question

Let $f(x) = \begin{cases} 3x+6, & if\ x\geq c \\\ x^2-3x-1, & if\ x\lt c \end{cases}$, where x∈R and c is a constant. The values of c for which f is continuous on R are

• A. -7, 1
• B. 1, 3
• C. -1, 7
• D. -1, 6
• E. 2, -3

Answer 1

Answer: (C)

-1, 7

Answer 2

The correct option is (C) : 1, 7