Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.3 -  , 1 + i

A. f(x) = x4 + 10x3 + 20x2 - 24x + 12
B. f(x) = x4 + 8x3 - 20x2 + 24x + 10
C. f(x) = x4 - 8x3 + 20x2 - 24x + 12
D. f(x) = x4 - 3x3 + 20x2 - 12x + 12


Answer: C

Mathematics

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Provide an appropriate response.Write as an imaginary number: 

A. -10i B. -50i C. 100i D. 10i

Mathematics

Solve.Sam and Sally went out to dinner. The dinner bill was $98.22 plus a 15% tip. If they split the total cost, how much did Sam pay, rounded to the nearest cent?

A. $112.95 B. $56.48 C. $7.37 D. $49.11

Mathematics

Simplify.

A. Not defined B. 1 C. 2 D. 0

Mathematics

First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Chi bought 2 items at Lucky Pete's market. She bought a pound of butter for $0.71 and a gallon of milk for $2.56. What was the total amount that she paid for both of these items?

A. Estimate: $ 3; exact:  $3.27 B. Estimate: $ 5; exact:  $1.71 C. Estimate: $ 4; exact:  $3.27 D. Estimate: $ 4; exact:  $1.71

Mathematics