Mathematics, 03.12.2020 19:20 naomiedgrey
Please Help!
The function Ζ(x) = is reflected across the x-axis and vertically stretched by a factor of 2. Select the correct graph for the resulting function.
Question 1 options:
A)
image
B)
image
C)
image
D)
image
Question 2 (5 points)
image
The table shows the cost of some apples. Which function Ζ(x) is represented in the table?
Question 2 options:
A)
Ζ(x) = 2x + 2
B)
Ζ(x) = 0.5x
C)
Ζ(x) = 0.5x + 2
D)
Ζ(x) = 2x
Question 3 (5 points)
Use a table of values to graph the function Ζ(x) = β3|x|. Select the correct graph below.
Question 3 options:
A)
image
B)
image
C)
image
D)
image
Question 4 (5 points)
Which expression is equivalent to 9x β 3y β 5x + 7y + x + y?
Question 4 options:
A)
10xy
B)
5x + 5y
C)
4x + 4y
D)
5x2 + 4y2
Question 5 (5 points)
Select the relationship that does represent a function.
Question 5 options:
A)
image
B)
image
C)
image
D)
image
Question 6 (5 points)
Use a table of values to graph the function Ζ(x) = xβββ. Choose the correct graph from the options below.
Question 6 options:
A)
image
B)
image
C)
image
D)
image
Question 7 (5 points)
Saved
image
The table shows the miles and total cost of renting a moped. Which function Ζ(x) is represented in the table?
Question 7 options:
A)
Ζ(x) = 0.5x + 10
B)
Ζ(x) = 0.4x + 12
C)
Ζ(x) = 5x β 10
D)
Ζ(x) = x + 8
Question 8 (5 points)
Select the only true statement below.
Question 8 options:
A)
The graph of an odd function is symmetric with respect to the y-axis.
B)
The graph of an even function is symmetric with respect to the y-axis.
C)
The graph of an odd function is symmetric with respect to the x-axis.
D)
The graph of an even function is symmetric with respect to the x-axis.
Question 9 (5 points)
Mary is selling chocolate bars to raise money. She earns $3 for each solid milk chocolate bar sold and $4 for each caramel-filled bar sold. If m represents the number of milk chocolate bars sold, and c represents the number of caramel bars sold, which of the following expressions represents the amount of money that Mary has raised?
Question 9 options:
A)
3m β 4c
B)
mβ3 + iβ4
C)
3m + 4c
D)
12mc
Question 10 (5 points)
image
Describe the transformation that takes place on the graph of Ζ(x) = xβββ3 to create the graph above.
Question 10 options:
A)
The graph is translated 2 units in the positive x-direction.
B)
The graph is vertically shrunk by a factor of Β½.
C)
The graph is reflected across the y-axis.
D)
The graph is reflected across the x-axis.
Question 11 (5 points)
Which of the following ordered pairs is a solution of the function Ζ(x) = 3x β 1?
Question 11 options:
A)
(β1, β4)
B)
(β1, 2)
C)
(β1, 4)
D)
(β1, β3)
Question 12 (5 points)
What's the slope and y-intercept of the graph of 7x + y = 8?
Question 12 options:
A)
Slope = β7, y-intercept = β8
B)
Slope = β8, y-intercept = 7
C)
Slope = 7, y-intercept = 8
D)
Slope = β7, y-intercept = 8
Question 13 (5 points)
image
Complete the table for the function y = xβββ3 + 7.
Question 13 options:
A)
β5, β6, β8, β9
B)
9, 8, 6, 5
C)
5, 6, 8, 9
D)
β9, β8, β6, β5
Question 14 (5 points)
Saved
Martina rents a room in her home to guests. She charges a $25 flat fee per night for one person. Additional guests are welcome to stay, but she charges $10 per person. She expects guests to check out by 10 a. m. and charges an extra $5 per hour for late checkouts. Select the linear equation that correctly represents how much Martina collects for one night of stay in her home.
Question 14 options:
A)
c = 25 + 10p + 5h
B)
c = 25 + 10 + 5
C)
c + 25 = 10p + 5h
D)
c = 25 β 10p β 5h
Question 15 (5 points)
The graph below represents taxi fares in the city of Chicago. If a woman travels 8.5 miles by taxi, what would you expect her fare to be? Give an estimate to the nearest dollar.
image
Question 15 options:
A)
$21
B)
$22
C)
$24
D)
$20
Question 16 (5 points)
Select the correct graph for the function Ζ(x) = 3x + 4.
Question 16 options:
A)
image
B)
image
C)
image
D)
image
Question 17 (5 points)
Use a table of values to graph the function Ζ(x) = |x + 2| β 1. Select the correct graph below.
Question 17 options:
A)
image
B)
image
C)
image
D)
image
Question 18 (5 points)
image
Write the equation of the line shown in the graph above in slope-intercept form.
Question 18 options:
A)
y = βx + 2β3
B)
y = β2β3x + 1
C)
y = 2β3x + 1
D)
2x + 3y = 3
Question 19 (5 points)
Select the correct graph for the function Ζ(x) = βx β 7.
Question 19 options:
A)
image
B)
image
C)
image
D)
image
Question 20 (5 points)
The function Ζ(x) = xβββ3 is translated 3 units in the negative y-direction and 8 units in the negative x- direction. Select the correct equation for the resulting function.
Question 20 options:
A)
Ζ(x) = + 8
B)
Ζ(x) = β 8
C)
Ζ(x) = Ζ(x) = β 3
D)
Ζ(x) = Ζ(x) = β 3
Answers: 1
Mathematics, 21.06.2019 13:30
If Ξ΄mtv is reflected across the y-axis, what are the resulting coordinates of point m? a) (-2, 5) b) (-5, 2) c) (5, -2) d) (-2, -5)
Answers: 1
Mathematics, 21.06.2019 14:30
After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %
Answers: 2
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