big145
This page lists questions and answers that were posted by visitors named big145.
Questions
The following questions were asked by visitors named big145.
                        Why do the graphs of reciprocals of linear functions always have vertical asymptotes, but the graphs of reciprocals of quadratic functions sometimes do not? Justify with an example.
                    
                    4 years ago
                
                        Write an equation to represent a rational function with the following conditions: - reciprocal of a quadratic function - asymptotes with the equations x = -5, x= 4/3, and y = 0 - y < 0 whenever x < -5 - y-intercept of 1.5
                    
                    4 years ago
                
                        The water depth in a harbor is 12m at high tide and 4m at low tide. One cycle is completed every 12 hours. a) Sketch the graph comparing the depth of the water and time for a 24-hour period, starting a low tide. b) Determine an equation of a cosine functi...
                    
                    4 years ago
                
                        Does sin π/2 = 1/2sinπ? Explain your reasoning.
                    
                    4 years ago
                
                        Can a quadratic trigonometric equation have no real solutions? Provide an example to support your opinion.
                    
                    4 years ago
                
                        Explain how many solutions the following trigonometric equation should have: 2cos^2x - 1 = 0, when 0 β€ x β€ 2π
                    
                    4 years ago
                
                        A 320g sample of a substance called Iodine-131 is stored in a laboratory for 40 days. At the end of this period, only 7.5g remains. What is the half-life of Iodine-131?
                    
                    4 years ago
                
                        Johnny says you cannot determine the value of log3(9) because there is no meaning. Samira says she can find a value for log-3(9). Explain who is correct and justify your reasoning.
                    
                    4 years ago
                Answers
The following answers were posted by visitors named big145.