The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 7t - t2, 0 ? t ? 7Find the body's speed and acceleration at the end of the time interval.
A. 21 m/sec, -14 m/sec2
B. 7 m/sec, - 2 m/sec2
C. 7 m/sec, -14 m/sec2
D. -7 m/sec, - 2 m/sec2
Answer: B
Mathematics
You might also like to view...
True or false?If a distribution is skewed to the right, then Q3 - Q2 is greater than Q2 - Q1. (The three quartiles of a data set from smallest to largest are denoted Q1, Q2, Q3).
A. True B. False
Mathematics
Solve the quadratic equation. Write the answer in simplest form.(x - 7)2 = -4
A. {7 - 2i, 7 + 2i} B. {5, -9} C. {-2, 2} D. {9, 5}
Mathematics
Provide the proper response.Which of the following expressions is associated with Simpson's rule?
A. 
B. 
C. 
D. 
Mathematics
For the piecewise function, find the specified function value.f(x) = {
f(0)
A. 2 B. 3 C. -3 D. -4
Mathematics