f"orm Chapter 1 Test; 2C

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Chapter 1 Test; f"orm 2C
1. State the domain and range of the relation [( -1, 0), (0, 2), (2, 3),
(0, 4)}. Then state whether the relation is a function. Write
yes or no.
1.
2. If f(x) = 2x2
2. _ _ _ _ __
-
1, find f(3).
3. State the relation shown in the graph
as a set of ordered pairs. Then state
whether the relation is a function. Write
yes or no.
~
0
3. - - - , - - - - - - X
I
Given f(x) = x- 3 and g(x)
4. (g- f)(x)
= x 2,
findeach function.
4. --~---~---
5. [f o g](x)
5·----'-----
6. Find the zero of f(x) = 4x - 5.
6. _ _ _ _ _ __
y
Graph each equation.
7.
7.y=x+1
0
X
y
8.
8.y-2x=2
I
0
X
i.ll
9. 2y
+ 4x =
1
9.
10. Appreciation An old coin had a value of $840 in 1991
and $1160 in 1999. Find the slope of the line through
the points at (1991, 840) and (1999, 1160). What does
this slope represent?
© Glencoe/McGraw-Hill
13
I
I
X
10. ________
Advanced Mathematical Concepts
,_,,
Chapter 1 Test, Form 2C
(continued)
11. Write an equation in slope-intercept form for a line that
passes through the pointA(O, 5) and has a slope of~'
12. Write an equation in standard form for a line passing
through B(2, 4) and C(3, 8).
13. Determine whether the graphs of x + 2y - 2 = 0 and
· - 3x - 6y - 5 = 0 are parallel, coinciding, perpendicular,
or none of these.
14. Write the slope-intercept form of the equation of the line
that passes through DC -2, 3) and is parallel to the graph of
2y- 4 = 0.
15. Write the standard form of the equation of the line that
passes through E(2,'-2) and is perpendicular to the
graph ofy = 2x + 3.
16. The table shows the average price of a new home in a
certain area over a six-year period. Write the prediction
equation in slope-intercept form for the best-fit line. Use
the points (1994, 102) and (1999, 125).
Year
Price (Thousands
of Dollars)
1994
1995
1996
1997
1998
1999
102
105
115
114
119
125
_____
11. - - - - - - -
12. - - - - - - 13. _ _ _ _ _ __
14. _ _ _ _ _ __
15. · - - - - - - 16. _ _ _ _ _ __
f "'
Graph each function.
17. j(x) = -I xI
0
17.
I
X
I
I
I
f(kl
2ifx<O
18.j(x)= {xifx;e:O
18.
X
I
~
I I
I I
Graph each inequality.
19.y > 3x- 1
!
19.
0
X
. t-·
~
20. y :s IX I + 1
20.
0
I
Bonus What value of k in the equation
2x - ky - 2 = 0 would result in a slope of~?
© Glencoe/McGraw-Hill
14
'
'
X
I .
Bonus: _ _ _ _ _ ___
Advanced Mathematical Concepts
. ~-
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