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Mathematics
Mathematics
Problem
Find all real values of
k
k
k
for which the function
f
(
x
)
=
{
k
x
+
3
,
x
<
2
,
x
+
1
,
x
≥
2
f(x)=\begin{cases} kx+3,& x<2,\\ \sqrt{x}+1,& x\ge 2 \end{cases}
f
(
x
)
=
{
k
x
+
3
,
x
+
1
,
x
<
2
,
x
≥
2
is continuous at
x
=
2
x=2
x
=
2
.
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