Suppose f(x) is a linear function with domain (-0,00). Use the table below to estimate the solution set of the inequality f(x) ≤7. Use interval notation. Justify. x f(x) -2 -11 -1 -8 0 -5 -2 2 1 3 4

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
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Related questions
Question
How to slove # 6?
2y = - 3 x
(a) 5y+3x=0
owing lines. Clearly indicate at least two distinct points on your graph.
(c) y-5-²(x+2)
2. Find the equation of the line through (-1,3) and (3,4) in standard form.
(b) y =
3. Write an equation for the line through (1.-4) that is (a) parallel and (b) perpendicular to the line 3y-5-9x. Give
your answers in slope-intercept form.
A. The bar graph shows the average global temperature for seven
selected years.
(a) Estimate the yearly increase in the average global temperature,
rounded to the nearest hundredth.
(b) Write a linear model that estimates the average global
temperature, 7, in degrees Fahrenheit, x years after 1950.
(c) Use your mathematical model from part (b) to project the average
global temperature in 2025.
7. Find g
X
4
-2
-11
S. Solve the linear inequalities. Give your answer in interval notation and graph the solution.
5-4x <9
(a)-(3x-13)<(9-24x)
2
(b) 1s.
for g(x)=x²-x
-1
-8
√√2x+5 on
horizontal
(d) x - √5
0
-5
x<-2
on
on -2<x<1
x≥1
6-Suppose f(x) is a linear function with domain (-0,0). Use the table below to estimate the solution set of the
inequality f(x) ≤7. Use interval notation. Justify.
59.0
54.7
58.4
1
-2
58.1
57.8
57.5
57.254.9 57.04 57.
56.9
56.3
56.0
Average Global Temperature
2
1
57.35
1950 1960 1970 1980 1990 2000 2010
Year
3
58.11
4
57.64 57.67
Transcribed Image Text:2y = - 3 x (a) 5y+3x=0 owing lines. Clearly indicate at least two distinct points on your graph. (c) y-5-²(x+2) 2. Find the equation of the line through (-1,3) and (3,4) in standard form. (b) y = 3. Write an equation for the line through (1.-4) that is (a) parallel and (b) perpendicular to the line 3y-5-9x. Give your answers in slope-intercept form. A. The bar graph shows the average global temperature for seven selected years. (a) Estimate the yearly increase in the average global temperature, rounded to the nearest hundredth. (b) Write a linear model that estimates the average global temperature, 7, in degrees Fahrenheit, x years after 1950. (c) Use your mathematical model from part (b) to project the average global temperature in 2025. 7. Find g X 4 -2 -11 S. Solve the linear inequalities. Give your answer in interval notation and graph the solution. 5-4x <9 (a)-(3x-13)<(9-24x) 2 (b) 1s. for g(x)=x²-x -1 -8 √√2x+5 on horizontal (d) x - √5 0 -5 x<-2 on on -2<x<1 x≥1 6-Suppose f(x) is a linear function with domain (-0,0). Use the table below to estimate the solution set of the inequality f(x) ≤7. Use interval notation. Justify. 59.0 54.7 58.4 1 -2 58.1 57.8 57.5 57.254.9 57.04 57. 56.9 56.3 56.0 Average Global Temperature 2 1 57.35 1950 1960 1970 1980 1990 2000 2010 Year 3 58.11 4 57.64 57.67
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