here you see attached.
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Instructions: Solve the following problems, showing all of your work for full credit
.
Problem 1: (10 Points)
(A)
Given
73
1
))(()(
+
==
x
xgfxh
Find
i) )(xf ii) )(xg
(B)
For the function given below, construct and simplify the difference of
Quotient
a) 42)( 2 −= xxf
MA112/109
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Problem 2: (20 Points)
A)
. Consider the parabola of equation 56)( 2 +−= xx
xf
a) Find the vertex by completing the square
b) Find the axis of symmetry
c) Find
i) x- intercept ii) y-intercepts
d) Sketch the graph of ( )f x
MA112/109 EXAM II
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Problem 3: (15 Points)
Given
≥+
<+−
=
1,1
1,13
)( 2 xifx
xifx
xf
a) Find
i) )1(−f = ii) )0(f =
iii) )1(f iv) )2(f =
b) Sketch an accurate graph of f
MA112/109
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Problem4: (15 Points)
(A)
Write the equation of the function that has the shape of 3xy = , but shifted left 3
units and up 4 units
(B)
Find the exact solution:
3
9
3
2
−
=
− xx
x
–
(C) Solve and write the interval notation for the solution set and graph solution
set
Solve: 215 ≥+ x
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Problem 6;
f (x) = x+2 and g(x) = 1−x , find each of the following. (5 points)
a) Domain of f(x):
b) Domain of g(x):
c) Domain of (f + g) (x):
d) Find (f/g)(x) =
e) Domain of (f/g)(x) =
Problem 7:
(5, Points)
Given functions: 13)( += xxf , 62)( 2 −−= xxxg and 2)( xxh =
a) Find ( )( )xgfxk =)(
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b) Find ( )( )2)( hfxl =
Problem 8:
Graph the following function: (5 points)
>
≤≤−−
−<−
=
2,5
2,2,
2,2
)( 2
xfor
xforx
xforx
xf
Table Here
Problem 9:
(5 point)
a) Determine whether the graph 35)( xxxf −= is symmetrical with respect to
the x-axis, the y-axis and/or the origin. Show your work.
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b) Which of the following function is even or odd function? Show your work
a) 216)( xxf −= b) 32)( xxf =