Illustrate Goldback's conjecture for the following number.48
A. 13 + 35
B. 24 + 24
C. 24 ? 3
D. 17 + 31
Answer: D
Mathematics
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Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - 7x
A. x2 - 7x + 
= 
2
B. x2 - 7x + 
= 
2
C. x2 - 7x + 49 = (x - 7)2
D. x2 - 7x - 
= 
2
Mathematics
Find the indicated term of the sequence.an = (4n - 5)2; a9
A. 1681 B. 729 C. 961 D. 1225
Mathematics
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -3x2 - 9x
A. maximum; - 
B. minimum; - 
C. maximum; 
D. minimum; 
Mathematics
For the pair of functions, find the indicated domain.f(x) = 7x + 21, g(x) = x + 8Find the domain of f ? g.
A. (-?, 11) ? (11, ?) B. (-?, ?) C. (-?, -11) ? (-11, ?) D. (-?, -11] ? [-11, ?)
Mathematics