In Problems 63–66 , for the given constant c and function f ( x ), find a function g ( x ) that has a hole in its graph at x = c but f ( x ) = g ( x ) everywhere else that f ( x ) is defined. Give the coordinates of the hole. f ( x ) = ln x , c = 1
In Problems 63–66 , for the given constant c and function f ( x ), find a function g ( x ) that has a hole in its graph at x = c but f ( x ) = g ( x ) everywhere else that f ( x ) is defined. Give the coordinates of the hole. f ( x ) = ln x , c = 1
In Problems 63–66, for the given constant c and function f(x), find a function g(x) that has a hole in its graph at x = c but f(x) = g(x) everywhere else that f(x) is defined. Give the coordinates of the hole.
3. f(7)
3. Find the domain of each of the following functions.
1
1. f(x)=2-6x+8
2. f(x)=√√7-x
4. A manufacturer has a monthly fixed cost of $40,000 and a production cost of $8 for each unit produced. The product sells for $12
per unit.
7. Evaluate the following limits and justify each step.
(a) lim (3x²+2x+1)
1
x²+4x-12
(b) lim
1 2
x² - 2x
t-√√3t+4
(c) lim
t-0 4-t
x²-6x+5
(d) lim
(e) lim
x 5 x-5
x→2
x²+2x+3
4u+1-3
(f) lim
u➡2 u-2
1
(g) lim
x-3
2
x 55 x
-
7x4 +4
(h) lim
xx 5x+2x-1
x+1
(i) lim
x²-2x+5
- 7x8+4x7 +5x
6. Given the following graph f(x).
(-2,2)
2-
-5
-3 -2
(-2,-1)
-1
(0,1)
-2-
1
(3,0)
2 3 4 5
(3,-1)
א
X
Compute each of the following.
(a) f(-2)
(b) lim f(x)
#129
(c) lim f(x)
*→12+
(d) lim f(x)
811H
(e) f(0)
(f) lim f(x)
8011
(m) Is the function continuous at x = -2,0,3? Why or why not?
(g) lim f(x)
+0x
(h) lim f(x)
x 0
(i) f(3)
(j) lim f(x)
x-3-
(k) lim f(x)
x+3+
(1) lim f(x)
#13
Elementary Statistics: Picturing the World (7th Edition)
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