Evaluate the function.
f(t)=-2t - 1; Find f(-9)
                                             
                                          
                                          
                                        
											 
											Answer:
17
Step-by-step explanation:
substitute t = - 9 into f(t) , that is
f(- 9) = - 2(- 9) - 1 = 18 - 1 = 17