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Limit of the function/ 21

Limit of the function 21

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The solution

You have entered [src] 
 lim 21
x->0+
lim⁡x→0+21\lim_{x \to 0^+} 21 
Limit(21, x, 0)
Lopital's rule
There is no sense to apply Lopital's rule to this function since there is no indeterminateness of 0/0 or oo/oo type
The graph
-1.0-0.8-0.6-0.4-0.21.00.00.20.40.60.821.0021.01
Plot the graph
Other limits x→0, -oo, +oo, 1
lim⁡x→0−21=21\lim_{x \to 0^-} 21 = 21
More at x→0 from the left
lim⁡x→0+21=21\lim_{x \to 0^+} 21 = 21
lim⁡x→∞21=21\lim_{x \to \infty} 21 = 21
More at x→oo
lim⁡x→1−21=21\lim_{x \to 1^-} 21 = 21
More at x→1 from the left
lim⁡x→1+21=21\lim_{x \to 1^+} 21 = 21
More at x→1 from the right
lim⁡x→−∞21=21\lim_{x \to -\infty} 21 = 21
More at x→-oo
Rapid solution [src] 
21
2121
Expand and simplify
One‐sided limits [src] 
 lim 21
x->0+
lim⁡x→0+21\lim_{x \to 0^+} 21 
21
2121 
= 21
 lim 21
x->0-
lim⁡x→0−21\lim_{x \to 0^-} 21 
21
2121 
= 21
= 21
Numerical answer [src] 
21
21
The graph
Limit of the function 21
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