A ball is thrown straight down from the top of a 250-ft building with an initial velocity of -12 ft per second. The position function is . What is the velocity of the ball after 4 seconds?
A)The velocity after 4 seconds is -280 ft per second.
B)The velocity after 4 seconds is -116 ft per second.
C)The velocity after 4 seconds is -140 ft per second.
D)The velocity after 4 seconds is -52 ft per second..
E)The velocity after 4 seconds is -76 ft per second.

Question

A ball is thrown straight down from the top of a 250-ft building with an initial velocity of -12 ft per second. The position function is  . What is the velocity of the ball after 4 seconds?
A)The velocity after 4 seconds is -280 ft per second. 
B)The velocity after 4 seconds is -116 ft per second. 
C)The velocity after 4 seconds is -140 ft per second. 
D)The velocity after 4 seconds is -52 ft per second.. 
E)The velocity after 4 seconds is -76 ft per second.

Quizplus · Accepted Answer

The Answer of A ball is thrown straight down from the top of a 250-ft building with an initial velocity of -12 ft per second. The position function is  . What is the velocity of the ball after 4 seconds?
A)The velocity after 4 seconds is -280 ft per second. 
B)The velocity after 4 seconds is -116 ft per second. 
C)The velocity after 4 seconds is -140 ft per second. 
D)The velocity after 4 seconds is -52 ft per second.. 
E)The velocity after 4 seconds is -76 ft per second.

A Ball Is Thrown Straight Down from the Top of a 250-Ft