Consider the functions defined by f ( x ) = 6 x − 2 , g ( x ) = − x 2 − 4 x + 1 , h ( x ) = 7 , and k ( x ) = | x − 2 | . For Exercises 21-52, find the following. (See Examples 3-4 .) g ( a )
Consider the functions defined by f ( x ) = 6 x − 2 , g ( x ) = − x 2 − 4 x + 1 , h ( x ) = 7 , and k ( x ) = | x − 2 | . For Exercises 21-52, find the following. (See Examples 3-4 .) g ( a )
Solution Summary: The author explains the formula used to calculate the value of g(a).
Consider the functions defined by
f
(
x
)
=
6
x
−
2
, g
(
x
)
=
−
x
2
−
4
x
+
1
,
h
(
x
)
=
7
,
and
k
(
x
)
=
|
x
−
2
|
. For Exercises 21-52, find the following. (See Examples 3-4.)
Solve the following equation forx.
leave
answer in
Simplified radical form.
5x²-4x-3=6
MATCHING LIST
Question 6
Listen
Use the given equations and their discriminants to match them to the type and
number of solutions.
00
ed
two irrational solutions
a. x²+10x-2=-24
two rational solutions
b. 8x²+11x-3=7
one rational solution
c. 3x²+2x+7=2
two non-real solutions
d. x²+12x+45 = 9
DELL
FLOWER
CHILD
10/20
All Changes S
$681 22991
88 MULTIPLE CHOICE
Question 7
Listen
The following irrational expression is given in unsimplified form with four op-
tions in simplified form. Select the correct simplified form.
Select only one option.
A 2±3√√2
B 4±√3
2±√ √3
D 1±√√3
DELL
FLOWER
CHILD
11/200
4 ± √48
4
✓
All Changes Saved
165
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