Solve the equation in the real number system.2x3 - x2 - 10x + 5 = 0

A.
B. { -2, , -  }
C.
D. { 2, , - }


Answer: A

Mathematics

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Find the transform of the given function by use of a table.f  = 2e-2t - 4e-4t

A. F  =  
B. F  =  
C. F  =  
D. F  =  

Mathematics

Tell whether the statement is true or false.The absolute value of any nonzero number is positive.

A. True B. False

Mathematics

Solve the problem.The polyniomial function f(x) = 6x3 + 25x2 + 12x - 7 has exactly one positive zero.Use the Intermediate Value Theorem to approximate the zero correct to 2 decimal places.

A. 0.50 B. 0.33 C. 0.66 D. 0.10

Mathematics

Determine whether the linear equation defines to be a function of . If so, find the domain and range. 

A. domain: ; range:
B. domain: ; range:
C. domain: ; range:
D. domain: ; range:
E. is not a function of

Mathematics