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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
{
x
2
,
x
<
1
2
x
,
x
≥
1
f(x)=\begin{cases} x^{2}, & x<1\\ 2x, & x\ge 1 \end{cases}
f
(
x
)
=
{
x
2
,
2
x
,
x
<
1
x
≥
1
. What is
lim
x
→
1
f
(
x
)
\displaystyle \lim_{x\to 1}f(x)
x
→
1
lim
f
(
x
)
? a)
1
1
1
b) Does not exist c)
2
2
2
d)
1.5
1.5
1.5
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