Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Answer: A
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 = 5t2 + 3t + 6, 0 ? t ? 2Find the body's displacement and average velocity for the given time interval.
A. 26 m, 26 m/sec B. 26 m, 13 m/sec C. 38 m, 19 m/sec D. 16 m, 23 m/sec
Mathematics
Use the half-angle formulas to simplify the given expression.
A. 
cos 14?
B. 2 cos 14?
C. 
sin 14?
D. 2
cos 14?
Mathematics
Solve the problem.Express the shaded area as the product of two binomials.8x
t
A. 8(8 - t) B. (x + 8t)(x - 8t) C. (8x + t)(8x - t) D. (8x - t)(8x - t)
Mathematics
Find the difference.-12 - 12
A. -12 B. -24 C. 0 D. 24
Mathematics