Find the derivative.g(x) = 8x2e-x
A. 16xe-x(1 - x)
B. 8xe-x(2 - x)
C. 8xe-x(x + 2)
D. 8xex(2 - x)
Answer: B
Mathematics
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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 = 8t2 + 3t + 7, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 35 m/sec, 32 m/sec2 B. 35 m/sec, 16 m/sec2 C. 42 m/sec, 16 m/sec2 D. 19 m/sec, 2 m/sec2
Mathematics
Write the percent equation. Do not solve.16 is what percent of 54?
A. 0.16 = P ? 54 B. 16 = P ? 54 C. 16 ? P = 54 D. 16 = P ? 0.54
Mathematics
Write the percent as a fraction or mixed number in simplest form.8
%
A. 
B. 4
C. 
D. 
Mathematics
Round the number as indicated.9226 to the nearest ten
A. 9220 B. 9230 C. 9330 D. 9240
Mathematics