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chapter 5 function
key words
Question | Answer |
---|---|
constant of variation | the constant ratio in a direct variation. |
constant rate of change | the nrate of change in a liner relationship. |
direct variation | the relationship between two variable quantities that have a constant ratio. |
domain | the set of input values for a function. |
function | a relationship which assigns exactly one output value for each input value. |
function tabel | a tabel used to organize the input numbers,output numbers,and function rule. |
function rule | the operation preformed on the input of a function |
inverse variation | a relationship where the product of x and y is a constant k. as x increases in value, y decreases in value, x increases in value |
linear functoin | a function for which the graph is a straight line. |
range | the set of output values for a function. |
rate of change | a rate that describes how one quantity changes in relation to another. a rate of change is usually expressed as a unit rate |
slope | the rate of change between any two points on a line. the ratio of vertical change to horizontal change. the slope tells how steep the line is |