Factor completely. If prime, so state.49a2 + 56ab + 16b2
A. (7a + 4b)(7a - 4b)
B. (7a - 4b)2
C. (49a + b)(a + 16b)
D. (7a + 4b)2
Answer: D
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (1 - 9t)i + (5 + 2t)j + (6t - 5)k, -10 ? t ? 6
A. 176 B. 1,936 C. -484 D. -44
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Simplify the complex fraction by simplifying the numerator and denominator separately. 
A. 
B. 
C. 
D. - 
Mathematics
Graph the given absolute value function and state its domain and range.f(x) = -
+ 4
A. Domain: (-?, ?)
Range: [4, ?)
B. Domain: (-?, ?)
Range: (-?, 4]
C. Domain: (-?, ?)
Range: (-?, 4]
D. Domain: (-?, ?)
Range: [4, ?)
Mathematics
Solve the inequality and graph the solution.2x - 6 ? 2
A. (-?, 4]
B. [-2, ?)
C. (-?, -2]
D. [4, ?)
Mathematics