Graph the inequality.y > x2 + 1
A. 
B. 
C. 
D. 
Answer: A
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Solve the equation. If an answer is not exact, give the answer to four decimal places.
?
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If there is more than one answer, separate them with commas.
What will be an ideal response?
Solve the problem.Find k if x = 1 is a solution of the equation kx2 + x - 5 = 0.
A. k = -4 B. k = -6 C. k = 4 D. k = 6
Solve the system of equations using matrices. Use Gauss-Jordan elimination.3x + 5y + 2w = -122x + 6z - w = -5 -2y + 3z - 3w =-3-x + 2y + 4z + w = -2
A. {(1, 3, 0, -3)} B. {(1, -3, 0, 3)} C. {(-1, 3, 0, -3)} D. {(-1, -3, 0, 3)}
Find the best buy (based on cost per unit).Brand X: 8 oz. for $2.00Brand Y: 20 oz. for $3.80Brand Z: 24 oz. for $5.28
A. Not enough information B. Brand Y C. Brand Z D. Brand X