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) = 3x3 - x2 - 30x + 10

A.
B. {-3, , - }
C. {3, , -}
D.

Answer: A

Mathematics

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Find the mean of the set of data.229, 219, 213, 213, 213, 213, 219, 216, 216, 216, 219, 219Round your answer to one decimal place.

A. 217.1 B. 216.9 C. 218.0 D. 217.2

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Mathematics

Change the logarithmic expression to an equivalent expression involving an exponent.logb 49 = 

A. b = 49
B. b2/3= 49
C. b3/2 = 49
D. 492/3 = b

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Mathematics

Perform the indicated operations and simplify the result. Leave the answer in factored form.

A.
B. x - 4
C.
D. x + 4

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Mathematics

Determine the constant term that must be added to the expression to make it a perfect square.x2 + x

A.  
B.  
C.  
D.

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Mathematics