Select true or false for each statement.
true false
a straight line on a coordinate plane always represents a function.

the equation y = 2x + 1 represents a function.

true or false

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.