Determine whether the given ordered pair is a solution of the system.(5, -1)3x + y = 142x + 3y = 7

A. not a solution
B. solution


Answer: B

Mathematics

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Use trigonometric identities to find the exact value.

A. - 
B. - 
C. -2
D. - 

Mathematics

Find the composition. If f(x) =  and g(x) = 2x + 7, find g[f(x)].

A. x
B. x - 
C. 2x + 7
D. x + 14

Mathematics

Use interval notation to express the inequality shown in the graph.

A. [-2, 5) B. (-2, 5] C. (-2, 5) D. [-2, 5]

Mathematics

Factor the sum or difference of two cubes completely.343p3 + 1

A. (7p + 1)(49p2 - 7p - 1) B. (7p + 1)(49p2 - 7p + 1)   C. (7p + 1)(49p2 + 1) D. (7p + 1)(49p2 + 7p + 1)

Mathematics