The graph of a piecewise-defined function is given. Write a definition for the function. 

A.

B.

C.

D.


Answer: B

Mathematics

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Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.v2 + 7v + 3 = 0

A. Two nonreal complex solutions B. One rational solution C. Two irrational solutions D. Two rational solutions

Mathematics

Simplify.

A.
B.
C. - 
D. - 

Mathematics

Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.If the mass of an object is 6.01398 × 10-8 tons and its density is 7.74 × 10-5 tons per cubic foot, find the volume of this object. (Use the formula D = .)

A. 7.77 × 10-5 cubic feet B. 7.77 × 10-3 cubic feet C. 7.77 × 10-4 cubic feet D. 77.7 × 10-4 cubic feet

Mathematics

Solve the linear equation.-4(2x + 5) - 1 = -5(x + 5) + 2x

A.
B.
C.
D.

Mathematics