Mathematics, 11.03.2021 17:30 cxttiemsp021
Question 1 (6 points)
Select the interval(s) where the function f(x)=2x3−3x2−12x+20 is only increasing.
Question 1 options:
−∞ < x < ∞
0 < x < ∞
−2.5 < x <∞
−1 < x < 2
2 < x < ∞
−∞ < x < −1
Question 2 (6 points)
Select the interval(s) where the function f(x)=x3+4x2+1 is only increasing.
Question 2 options:
−2.7 < x< 1.8
0 < x < 4
−∞
−∞< x < 0
0 < x < ∞
1.8 < x < ∞
Question 3 (3 points)
Identify the interval where the graph is only decreasing.
Question 3 options:
(−2, 1)
(−3, 2)
(−3, −1)
(−4, 2)
Question 4 (3 points)
What is the apparent solution set to the system of equations:
Question 4 options:
{(1.5, 2.5), (3, 2)}
{(−3, 2), (1.5, −3)}
{(−2, −3), (2.5, −1.5)}
{(−2.5, 1.5), (2, −3)}
Question 5 (3 points)
Saved
What are the apparent solutions to the system of equations:
Question 5 options:
{(−4, 3), (−1, 0)}
{(−5, 0), (−313, 0), (−1, 0)}
{(−3, 4), (−2, −2)}
{(0, −5), (0, 5)}
Question 6 (3 points)
Saved
Given f(x)=3x−4 and g(x)=x2−3, find (g ∘ f)(x).
Question 6 options:
9x2+13
3x2−13
9x2−24x+19
9x2−24x+13
Question 7 (3 points)
What are the x-coordinates to the solutions of the system of equations: {x+y+10=0x2+y−2=0
Question 7 options:
x = -3, -7
x = 4, 14
x = -3, 4
x = -4, 3
Question 8 (6 points)
What are the y-coordinates for the solution to the system of equations: {y−x2+9x−6=0y−x+3=0
Make sure to select all the correct answers.
Question 8 options:
9
1
8
6
-3
-9
-2
2
Question 9 (3 points)
Question 9 options:
Given f(x)=2x and g(x)=x2+3, find (g ∘ f)(−3).
Type final answer only in the blank.
Question 10 (3 points)
Question 10 options:
Given f(x)=x2+3x and g(x)=2x2, find (f ∘ g)(−1).
Type answer only in the box.
Answers: 3
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Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?
Answers: 1
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Which of the following tables represents exponential functions?
Answers: 1
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Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude
Answers: 2
Question 1 (6 points)
Select the interval(s) where the function f(x)=2x3−3x2−12x+20 is only increas...
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