Factor using the formula for the sum or difference of two cubes.x3 - 27
A. (x + 3)(x2 - 3x + 9)
B. (x + 27)(x2 - 1)
C. (x - 3)(x2 + 3x + 9)
D. (x - 3)(x2 + 9)
Answer: C
Mathematics
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Find the domain and range of the function.F(t) = 
A. D: [0,?), R: [0,?) B. D: (0,?), R: (0,?) C. D: (-?,?), R: (-?,?) D. D: (-?,0), R: (-?,0)
Mathematics
Find a general term an for the arithmetic sequence.The first five terms of the sequence are 6.9, 7.4, 7.9, 8.4, 8.9.
A. an = 0.5n + 6.4 B. an = 0.4n + 6.4 C. an = 0.5n + 6.2 D. an = 0.5n + 6.9
Mathematics
Evaluate the function at the indicated value.Find 
when f(x) = x2 + 5x - 6.
A. 2x+ h + 5
B. 1
C. 
D. 2x+ h - 6
Mathematics
Write the standard equation for the circle.Center at (8, 0), radius 6
A. (x + 8)2 + y2 = 36 B. x2 + (y + 8)2 = 6 C. (x - 8)2 + y2 = 36 D. x2 + (y - 8)2 = 6
Mathematics