Suppose an object moves along the y-axis so that its location is y = f(x) = x² + x at time x (y is in meters and x is in seconds). Find the instantaneous velocity at x = 4 seconds.
A) 8 m/s
B) 9 m/s
C) 20 m/s
D) 10 m/s

Question

Suppose an object moves along the y-axis so that its location is y = f(x) = x² + x at time x (y is in meters and x is in seconds). Find the instantaneous velocity at x = 4 seconds.
A) 8 m/s 
B) 9 m/s 
C) 20 m/s 
D) 10 m/s

Quizplus · Accepted Answer

The Answer of Suppose an object moves along the y-axis so that its location is y = f(x) = x² + x at time x (y is in meters and x is in seconds). Find the instantaneous velocity at x = 4 seconds.
A) 8 m/s 
B) 9 m/s 
C) 20 m/s 
D) 10 m/s

Suppose an Object Moves Along the Y-Axis So That Its