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 + 4t + 5, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 20 m/sec, 2 m/sec2
B. 41 m/sec, 16 m/sec2
C. 36 m/sec, 16 m/sec2
D. 36 m/sec, 32 m/sec2
Answer: C
Mathematics
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A. a44 B. a15 C. a13 D. a9
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Find the x- and y-intercepts for the equation. Then graph the equation.x + 2y = 4
A. x-intercept: (-4, 0), y-intercept: (0, -4)
B. x-intercept: (2, 0), y-intercept: (0, 4)
C. x-intercept: (4, 0), y-intercept: (0, 2)
D. x-intercept: (4, 0), y-intercept: (0, 4)
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Write a fraction and a percent for the shaded part of the figure.
A. 
or 50%
B. 
or 5.1%
C. 
or 0.51%
D. 
or 51%
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Find the area of the figure. Use 3.14 for ?.
A. Not enough data B. 39.0412 yd2 C. 19.5206 yd2 D. 39.732 yd2
Mathematics