1. Inverse functions: Linear. discrete
The one-lo-one functions g and h are dened as follows.
g:i(cs, 5). (c7. c9), (1. *5),(2.1)
h(x) :9r13
Find the folluwmg.
,1 7
g (1) r
*1 7
h (x)
(If1 uh)(l) =
Vou answered:
gLm :
flog) : x+13
9
(m
1. Solving a system of linear equations using elimination with multiplication and addition
Solve the following system of eguations.
2x7y =11
3_r+2y=25
You answered correctly:
II
no
2. Solving a word problem involving a sum and another basic relationship
1. Finding the roots of a quadratic equation with leading coefficient 1
Solve for y.
y210y+24=0
If there is more than one solution, separate them with commas. If there is no solution, click on "No
solution."
You answered correctly:
3;: 4,6
2. Finding th
1. Simplifying a sum or difference of radical expressions: Multivariate
Simplify as much as possible.
2 2
4.x 32xw +w 50x5
Assume that all variables represent gositive real numbers.
You answered correctly:
21112495
2. Rationalizing the denominator of a
1. Adding rational expressions with different denominators: ax, bx
Write as a single fraction.
9a-Sb _ 4a+4b
6:1 3:1
Simpliy your answer as much as possible.
You answered correctly:
29a 133;-
Go
2. Solving a rational equation that simplifies to quadrati
1. Question :
In the slideshow Product Rule For Radicals, under media in
Chapter 9, in order to simplify the radical, the presenter works to
find perfect square factors of 45.
Student
Answer
:
True
Points Received:
False
1 of 1
Comments:
-757963852
TrueFa
The last letter of my last name is Johnson, solving questions 16 and 50.
16.
h(x) = | 2x |
This graph is in a V-shape, exercising the absolute value function f(x)=|x|. The vertex is (0,0) and it includes points
on both positive and negative numbers. The V
1. Question :
Using the function in the video, Example 13 Stretching and
Shrinking, if the factor of 3 was replaced with a factor of 1/2, the
function would shrink the graph in toward the xaxis?
Student
Answer
:
True
Points Received:
False
1 of 1
Comments
1. Question :
In the slideshow, Multiplication of rational expressions, located
in Chapter 6, one expression in the denominator factors out to x(x
+ 2).
Student
Answer
:
True
Points Received:
False
1 of 1
Comments:
-768122603
TrueFalse
8
True
0
-768122603
1. Question :
In the video, Example 21, Using the discriminant in
factoring, which is located in the media section of Chapter 10, the
presenter shows that the trinomial, 4x2 5x 12, can be factored.
Student
Answer
:
True
Points Received:
False
1 of 1
Comme
The third letter of my last name is: Johnson. The two equations that I received, I was unable to
use the term completing the square.
a2 6a + 9 = 0
8.
(a 3) (a 3) = 0
Factor the left side of the equation.
a 3 = 0 or a 3 = 0
Using the Zero Factor Property.
Hello to all! My name is Ashley Johnson, and I look forward to working with everyone. I
currently live in Germany, and I work for the US Army as an Accountable Officer of a logistical
supply distribution warehouse. At this time, I am pursuing a BS in Supp
1) X2 25
2
(x 5) (x + 5)
2
First, I would have done was to factor the numerator and the denominator. In this equation, the
denominator was already in factored form.
Next, I would have canceled off any common factor but within this equation there was nothi
1. Question :
After viewing the example in the slideshow, Solving a System by
Graphing, in the media section of Chapter 7, if you want to check
your answer, you must plug the x and y solutions back into
BOTH of the of given equations and check to see if t