The following graph shows the horsepower and torque as afunction of the engine speed for a 1964 sports car.power300-torquea. On what intervals is the power increasing with enginespeed?b. On what intervals is the power decreasing with enginespeed?c. On what intervals is the torque increasing with engine250-200-150-speed?d. On what intervals is the torque decreasing with enginespeed?100-50-2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0Engine Speed (RPM in 1000s)a. Determine the interval(s) of engine speed, measured in RPM, over which the power is an increasing functionthe engine speed. Choose the correct answer below.O B. (3600,5000)O A. (2500,3600),(5000,6000)O D. (2500,3600)OC. (2500,4000),(5000,6000)OF. (2500,5500)O E. (5500,6000)O H. NoneO G. (2500,3600),(5500,6000)Power (hp); Torque (ft-pounds)

Solution - a. ) Power is increasing when slopes of tangents to the graph of power are positive.…

The following graph shows the horsepower and torque as a function of the engine speed for a 1964 sports car. power 300- torque a. On what intervals is the power increasing with engine speed? b. On what intervals is the power decreasing with engine speed? c. On what intervals is the torque increasing with engine speed? d. On what intervals is the torque decreasing with engine speed? 250- 200- 150- 100- 50- 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Engine Speed (RPM in 1000s) a. Determine the interval(s) of engine speed, measured in RPM, over which the power is an increasing function the engine speed. Choose the correct answer below. B. (3600,5000) O A. (2500,3600),(5000,6000) O C. (2500,4000),(5000,6000) D. (2500,3600) O F. (2500,5500) E. (5500,6000) O H. None G. (2500,3600),(5500,6000) Power (hp); Torque (ft-pounds)