+0

# i need help quick

+1
127
1
+287

The function defined by

$$$f(x) = \left\{ \begin{array}{cl} x + k & \text{if x < 4}, \\ 2x - 3 & \text{if x \ge 4} \end{array} \right.$$$

has an inverse, and the inverse is defined for all real numbers. Enter all possible values of  separated by commas.

Dec 19, 2019
edited by EpicWater  Dec 19, 2019

#1
+287
+1

never mind, I finally got the answer!!! The only possible value of k is 1!!!

Dec 19, 2019