Look at this table:x y–2 –7–1 –10 51 112 17Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that models the data.y=Submit
Question
Look at this table:
x | y |
---|---|
-2 | -7 |
-1 | -10 |
0 | 51 |
1 | 112 |
2 | 17 |
Write a linear function (y=mx+b) or an exponential function (y=a(b)^x) that models the data. y=Submit
Solution
To find a linear function that models the data, we first need to determine the slope (m) and the y-intercept (b) in the equation y = mx + b.
-
Calculate the slope (m): The slope is the change in y divided by the change in x. Choose two points from the table, for example, (-2, -7) and (-1, -10). The slope m = (y2 - y1) / (x2 - x1) = (-10 - (-7)) / (-1 - (-2)) = -3.
-
Calculate the y-intercept (b): The y-intercept is the value of y when x = 0. We can use the point-slope form of a line, y - y1 = m(x - x1), and solve for b. Using the point (-2, -7) and the slope -3, we get -7 - (-3*-2) = -7 - 6 = -13.
So, the linear function that models the data is y = -3x - 13.
Similar Questions
Look at this table:x y–2 –7–1 –10 51 112 17Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that models the data.y=Submit
Look at this table:x y–1 0.860 2.581 7.742 23.223 69.66Write a linear (y=mx+b), quadratic (y=ax2), or exponential (y=a(b)x) function that models the data.y=
This data set is best suited to which mathematical model?ALinearBExponentialCLogarithmic
Look at this table:x y12 204 1316 203 2011 13–10 1Is this relation a function?yesnoSubmit
Question 7/13Based on the values in Cells B77:B81, what function can automatically return the value in Cell C77?BC76 Sales77£794£1,02078£72179£85480£91281£1,02
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.