Add or subtract as indicated. Express the answer as a single polynomial in standard form.4(4x3 + x2 - 1) - 6(2x3 - 4x + 2)
A. 4x3 + 4x2 + 24x + 16
B. 4x3 + 4x2 - 24x - 16
C. 4x3 + x2 + 24x - 16
D. 4x3 + 4x2 + 24x - 16
Answer: D
Mathematics
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Mathematics
Find the particular solution to the given differential equation that satisfies the given conditions.
+ y = x + sin 8x; 
= 1 and y = 0 when x = ?
A. y = - 
cos x + ? sin x + x - 
sin 8x
B. y = 
sin x + ? cos x + x - 
sin 8x
C. y = - 
sin x - ? cos x + x - 
sin 8x
D. y = - 
sin x + ? cos x + x - 
sin 8x
Mathematics
Find the angle between the pair of vectors to the nearest tenth of a degree.7i - 5j, 2i - 7j
A. 114.4° B. 42.0° C. 38.5° D. 126.9°
Mathematics
Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 0.000873
A. 7.0436 B. -3.0590 C. 3.0590 D. -7.0436
Mathematics