44 In each of the following settings, give the values of a and b for the linear transformation xnew = a + bx that expresses the change in units of...

1.44 In each of the following settings, give the values of a and b for the linear transformation xnew = a + bx that expresses the change in units of measurement. (a) Change a speed x measured in miles per hour into the metric system value xnew in kilometers per hour. (A kilometer is 0.62 mile.) What is 65 miles per hour in metric units? (b) You are writing a report on the power of car engines. Your sources use horsepower x. Reexpress power in watts xnew . (One horsepower is 746 watts.) What is the power in watts of a 140-horsepower engine?