Acomputer repair technician charges $50 to make a house call plus $75 for each hour spent fixing a computer. this relationship is represented by the equation y=75x+50. what does the graph of this equation represent? there may be more than one correct answer. a. the set of all ordered pairs (x, y) that are solutions to the equation b. the amount of time spent fixing a computer c. the cost of fixing a computer in x amount of time. d. the number of computers that the technician fixed

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation