Solve the equation.x5 + 2x4 = x + 2
A. 1, i, -2
B. -1, 1, -i, i, -2
C. ?
D. -1, 1, -2
Answer: B
Mathematics
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Use quadratic regression to model the following data. Round your answers to two decimal places, if necessary. x 2.13 3.45 4.76 6.18 8.22 y 3.64 5.82 9.16 7.32 3.19?
A. ?
B. ?
C. 
D. ?
Mathematics
Solve the problem.The mass of an electron is approximately 9.11 × 10-28 grams. Find the mass of 914,000,000 electrons.
A. 8.32654 × 10-20 grams B. 8.32654 × 10-19 grams C. 8.32654 × 10-17 grams D. 8.32654 × 10-18 grams
Mathematics
Solve the system of equations (only real solutions) by the elimination method. Check your solutions.
A. {(7, 0), (7, 7)} B. {(7, 7), (-7, 7)} C. {(7, 0), (-7, 0)} D. {(-7, 0), (-7, 7)}
Mathematics