complete these algebra questions. Look at the attached files for a preview
7:44 PM Mon Feb 22
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1. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.001.
MY NOTES
ASK YOUR TEACHER
If f(x)
-X2 –
– X – 13, find f(-2), f(0), and f(4). (If an answer is undefined, enter UNDEFINED.)
f(-2) =
f(0) =
f(4) =
2. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.003.
MY NOTES
ASK YOUR TEACHER
If f(x)
=
x- 4 + 3x, find f(3), f(8), and f(13). (If an answer is undefined, enter UNDEFINED.)
f(3) =
f(8) =
f(13) =
3. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.005.
MY NOTES
ASK YOUR TEACHER
Х
If f(x)
find f(-4), f(0), and f(7). (If an answer is undefined, enter UNDEFINED.)
X – 7
f(-4) =
f(0) =
f(7) =
4. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.007.
MY NOTES
ASK YOUR TEACHER
If a and h are real numbers, find the following values for the given function.
f(x) 6x – 8
(a) f(a)
=
(b) f(-a)
(C) -f(a)
(d) f(a + h)
(e) f(a) + f(h)
f(a+h) – f(a),
(f)
if h = 0
h
7:44 PM Mon Feb 22
f Q 80%
webassign.net – Private
5. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.011.
MY NOTES
ASK YOUR TEACHER
If a and h are real numbers, find the following values for the given function.
f(x) = x2
– X + 36
f(a)
(b) f(-a)
(C) -f(a)
(d) f(a + h)
(e) f(a) + f(h)
(f)
f(a + h) – f(a)
if h = 0
h
6. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.013.
MY NOTES
ASK YOUR TEACHER
If a is a positive real number, find the following values for the given function.
g(x) = 4×2
(a) (1)
1
(b)
g(a)
(c) gva
(d)
g(a)
7. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.021.
MY NOTES
ASK YOUR TEACHER
For the graph of the function f sketched in the figure, determine the following
7:44 PM Mon Feb 22
no 80%
A webassign.net – Private
10. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.029.
MY NOTES
ASK YOUR TEACHER
Find the domain of f.
f(x)
=
x + 7
x3
– 4x
IR
IR – {+2, 0}
O
IR – {0}
IR – {+4}
O a
IR – {+2, -7,0}
11. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.031.
MY NOTES
ASK YOUR TEACHER
Find the domain of f.
f(x)
2x – 5
x2 8x + 7
of-R 7)(8, 8)
O (-5, -2) U (7,8)
0 (-0,3) “(7,00)
[: 7) W(7,00)
O (-0, 7) U (7, …)
12. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.039.
MY NOTES
ASK YOUR TEACHER
Consider the following function f.
y
10
(-6, 8)
5
(-1,3)
(6,4)
(3, 1)
-10
(4, 66
10
-5
(-3,-1)
(0, -3
-5
(2, -3)
-10
(a) Find the domain D and range Roff
7:44 PM Mon Feb 22
M080%
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12
O (-0, 7) U (7,…)
12. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.039.
MY NOTES
ASK YOUR TEACHER
Consider the following function f.
у
10
(-6,8)
5
(-1,3)
(6,4)
(3, 1)
11
X
-10
-5
(-3,-1)
(4, 66
10
(0, -3
-5
(2, -3)
-10
(a) Find the domain D and range R of f.
Domain: (Enter your answer using interval notation.)
D =
Range:
O R = (-00,00)
O R = [-6, -1) u (0, 2] U (3, 6]
O R = [-6, 6]
O R = [-3, 8]
OR = {-3} U[-1, 8]
(b) Find the intervals on which f is increasing, is decreasing, or is constant. (Enter your answers using interval notation.)
Increasing:
Decreasing:
Constant:
13. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.046.
MY NOTES
ASK YOUR TEACHER
Consider the following function.
f(x) = x2 – 3
(a) Sketch the graph of f.
10
Graph Layers
9
8
After you add an obi
7:44 PM Mon Feb 22
NO 80%
webassign.net – Private
7. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.021.
MY NOTES
ASK YOUR TEACHER
For the graph of the function f sketched in the figure, determine the following.
(1,1)
(4,2)
(-1,1),
#ei
(2, 1)
A
(1,0)
X
(-3, -2)
(a) Domain: (Enter your answer using interval notation.)
(b) Range: (Enter your answer using interval notation.)
(C) f(1)
(d) all x such that f(x) = 1 (Enter your answers as a comma-separated list.)
X =
(e) all x such that f(x) > 1 (Enter your answer using interval notation.)
XE
8. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.023.
MY NOTES
ASK YOUR TEACHER
Find the domain of f. (Enter your answer using interval notation.)
f(x) = 2x + 5
9. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.026.
MY NOTES
ASK YOUR TEACHER
Find the domain of f. (Enter your answer using interval notation.)
f(x) = x2 – 49
10. [-75.88 Points]
DETAILS
SWOKPRECALC13 2.4.029.
MY NOTES
ASK YOUR TEACHER
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