In a Test PLease help Fast!!
X 1 4 7 13 16 19
y 4 7 10 16 19 22
Based on the relationsh...
Mathematics, 22.10.2020 20:01 bryce860
In a Test PLease help Fast!!
X 1 4 7 13 16 19
y 4 7 10 16 19 22
Based on the relationship between the independent variable x and dependent variable y above, Leia believes that the domain is {1, 4, 7, 10, 13, 16, 19} and the range is {4, 7, 10, 16, 19, 22}. Is Leia correct? If not, determine Leia's error, and state the correct domain and/or range.
(1 point)
Leia is incorrect; 22 should be in the domain. The correct domain is {1, 4, 7, 10, 13, 16, 19, 22}.
Leia is incorrect; 10 should not be in the domain. The correct domain is {1, 4, 7, 13, 16, 19}.
Leia is correct.
Leia is incorrect; 13 should be in the range. The correct range is {4, 7, 10, 13, 16, 19, 22}.
question 2
What are the domain and range of the function represented by the graph below?
Two U-shaped curves are graphed on a four quadrant coordinate plane. The horizontal x-axis and the vertical y-axis go from negative 6.5 to 6.5 in increments of 1. The graph has two branches. The first branch is a U-shaped curve that opens to the left with a vertex at the plotted and labeled point left parenthesis negative 2 comma 0 right parenthesis and passes through approximately left parenthesis negative 4.5 comma 4 right parenthesis and approximately left parenthesis negative 4.5 comma negative 4 right parenthesis. The second branch is a U-shaped curve that opens to the right with a vertex at the plotted and labeled point left parenthesis 2 comma 0 right parenthesis, and passes approximately through left parenthesis 4.5 comma 4 right parenthesis and left parenthesis 4.5 comma negative 4 right parenthesis.
(1 point
The domain is (−∞, −2]∪[2,+∞) and the range is (−∞,+∞).
The domain is (−∞,+∞) and the range is (−∞, −2]∪[2,+∞).
The domain is (−∞, −2)∪(2,+∞) and the range is (−∞,+∞).
The domain is (−∞,+∞) and the range is (−∞, −2)∪(2,+∞).
question 3 - A decreasing linear function with independent variable x and dependent variable y approaches the x-axis at x=8 and approaches the y-axis at y=6. However, this function is not defined for any value of x between 0 and 8, nor any value of y between 0 and 6.
What are the domain and range of this linear function?
question 4- A function y=6x−9 is defined for a set of x-values greater than −15 and a set of y-values less than 27. What are the domain and range of this function?(1 point)
The domain is (−15, 3) and the range is (−81, 27).
The domain is (−15, 6) and the range is (−99, 27).
The domain is (−15, 3) and the range is (−99, 27).
The domain is (−15, 6) and the range is (−81, 27).
question 5- Write a function that models the following description: A man drove a total of 40 miles over a 2-hour period.(1 point)
f(___)=___
Question 6- Which of the following functions has a rate of change of 5?(2 points)
f(5)=300 and f(7)=290
f(3)=278 and f(5)=320
f(5)=225 and f(10)=250
f(2)=317 and f(5)=296
Question 7-Four different towns in the same state grew in size due to a revitalization effort. The population of town A grew from 22,000 to 24,500 in 4 years. The population of town B grew from 31,200 to 34,770 in 6 years. The population of town C grew from 18,000 to 22,000 in 5 years. The population of town D grew from 32,000 to 34,100 in 3 years. Which town had the greatest average change in population over the corresponding time period?(1 point)
town A
town B
town D
town C
Question 8- Which table has the greatest rate of change over the interval from 1 to 4?(1 point)
x 1 2 3 4
j(x) 22 23 26 30
x 1 2 3 4
g(x) 12 13 16 28
x 1 2 3 4
h(x) 0 3 5 10
question -A graph has the domain 1≤x<5. Describe the end points of the graph. Include where the end points are, what they look like on the graph, and if the corresponding y-values are included in the range of the function
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