S-ID.6.a
Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Use given functions or choose a function suggested by the context. Emphasize linear, quadratic, and exponential models.
Example Problems
The exponential function p, represented in the table, can be written as .
Complete the equation for .
| x | p(x) |
|---|---|
| 0 | 2 |
| 1 | 1 |
Complete the equation for .
The exponential function s, represented in the table, can be written as .
Complete the equation for .
| x | s(x) |
|---|---|
| 0 | 20 |
| 1 | 5 |
Complete the equation for .
The exponential function v, represented in the table, can be written as .
Complete the equation for .
| x | v(x) |
|---|---|
| 0 | 18 |
| 1 | 9 |
Complete the equation for .
Khan Academy ResourcesClusters in scatter plotsOutliers in scatter plotsEyeballing the line of best fitEstimating equations of lines of best fit, and using them to make predictionsEstimating slope of line of best fitPositive and negative linear associations from scatter plotsDescribing trends in scatterplotsMaking appropriate scatter plotsInterpreting slope and y-intercept for linear modelsConstructing scatter plotsLine of best fit: smoking in 1945Constructing a scatter plotInterpreting a trend lineEstimating the line of best fit exerciseExponential vs. linear models: tableExample of direction in scatterplotsScatter plot: smokers

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