MAT 140 Test 2 Review
Wrtiing Linear Models
Given 2 points
Given point and rate of change
Given rate of change and initial value
Slope
Calculate from two points
Recognize slope when given it in context.
Interpret it in context
Logistic growth
"Bounded" exponential growth
Carrying capacity
Media Graphs
Identify output given input (and input given output)
Write linear model from the graph
Find slope
Compute initial value
Identify independent and dependent values and domain and range.
Functions
Determine if relationship is function
Identify independent and dependent variables
Determine domain and range
Calculate output given input
Calculate input given output
Exponential Functions
Determine if given information is linear or exponential
From data
From verbal description
Construct model given descritpion of initial value and % rate of change
Exponential growth or decay
Given growth rate (or decay rate), put it in model
Find growth (or decay) rate given model
Excel
Calculate linear model (trendline)
Calculate exponential model
Use model to predict output
Use GOAL SEEK to calculate input