Determine whether the graph is the graph of a function.

A. Function
B. Not a function


Answer: B

Mathematics

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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.3x + 4y + z = 273x - 4y - z = -95x + y + 3z = 14

A. (3, -2, 5) B. (3, 5, -2) C. (-2, 5, 3) D. No solution

Mathematics

The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)When does the body reverse direction?

A. t = 4 sec B. t = 2, t = 3, t = 5, t = 6, t = 7 sec C. t = 7 sec D. t = 4, t = 7 sec

Mathematics

Factor the expression completely.rT1 - rT2 + RT1 - RT2 (physics)

A. (r - R)(T1 + T2) B. (r + T2)(T1 - R) C. (r + R)(T1 - T2) D. Cannot be factored.

Mathematics

Provide an appropriate response.Use a compass and straightedge to construct a right triangle whose hypotenuse is twice as long as one of its sides.

What will be an ideal response?

Mathematics