Indicates which are the relations of the following functions:
a) number of loaves of bread we buy and the amount of money we have to pay
b) number of 2 $ coins and the amount of money they represent
c) square meters of a house and the names of people who live there

Use the graph of the sine function y=2sinθ shown below

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle