Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = 2x4 + 9x3 - 6x2 - 45x - 20

A. {, 4, -}
B. {-4, - , -}
C. {- , 4, -}
D. {-4, , -}


Answer: B

Mathematics

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Solve the problem.According to Einstein's famous Relativity Theory, the mass of an electron with velocity v is given by: m = ,where mo is the rest mass of the electron and c is the speed of light in a vacuum. Solve the equation for v.

A. v = 
B. v = 
C. v = ±
D. v = 

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Simplify the complex fraction using the Multiply by the LCD Method.

A.
B.
C.
D.

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Determine whether the given value is a solution of the inequality.4 + x ? 8, x = 4

A. Yes B. No

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Find the inverse, if it exists, for the matrix.

A.

B.

C.

D. The inverse does not exist.

Mathematics