Factor completely using the ac method. If prime, so state.42 - 13x + x2

A. (x + 7)(x - 6)
B. (x - 7)(x - 6)
C. (x + 7)(x + 6)
D. (x - 7)(x + 6)


Answer: B

Mathematics

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Graph the function. Then identify its domain and range.f(x) = , for x ? -4

A. Domain: [4, ?); range: [0, ?)  
 
B. Domain: (-?, -4]; range: [0, ?)  
 
C. Domain: [-4, ?); range: [0, ?)  
 
D. Domain: [-4, ?); range: (-?, 0]  
 

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Use values from the compound interest table to find the compound amount. Round to the nearest cent.$8,000 at 8% compounded annually for 8 years

A. $13,120.00 B. $14,807.44 C. $13,710.59 D. $12,480.00

Mathematics

Solve the following system by any appropriate method. If there is no real number solution, so state.y2 + 2x2 = 13y2 - x2 = 1

A. (3, ), (3, -), (-3, ), (-3, -)
B. (2, ), (2, -), (-2, ), (-2, -)
C. (2, -), (2, )
D. (2, ), (-2, )

Mathematics

Perform the indicated operation and express in lowest terms. - 

A.
B.
C.
D. 3

Mathematics