Limits of a Piecewise Function In Exercises 31 and 32, sketch the graph of f. Then identify the values of c for which lim x → l f ( x ) exists. f ( x ) = { x 2 , x ≤ 2 8 − 2 x , 2 < x < 4 4 , x ≥ 4
Limits of a Piecewise Function In Exercises 31 and 32, sketch the graph of f. Then identify the values of c for which lim x → l f ( x ) exists. f ( x ) = { x 2 , x ≤ 2 8 − 2 x , 2 < x < 4 4 , x ≥ 4
Solution Summary: The author explains that the given function splits into three polynomials, and the limit of the function exists for all values except c = 4. As x approaches 2 from left or right, f (x) approaches 0,
Limits of a Piecewise Function In Exercises 31 and 32, sketch the graph of f. Then identify the values of c for which
lim
x
→
l
f
(
x
)
exists.
f
(
x
)
=
{
x
2
,
x
≤
2
8
−
2
x
,
2
<
x
<
4
4
,
x
≥
4
Definition Definition Group of one or more functions defined at different and non-overlapping domains. The rule of a piecewise function is different for different pieces or portions of the domain.
4. Use the properties of limits to help decide whether each limit exists. If a limit exists, fi
lim (2x²-4x+5)
a)
x-4
b) lim
2
x²-16
x-4x+2x-8
7.
The concentration of a drug in a patient's bloodstream h hours after it was injected is given by
0.17 h
Ah=
h²+2'
Find and interpret lim A(h). Remember, the answers to word problems should always be given in a complete
h→00
sentence, with proper units, in the context of the problem.
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