Decide whether or not the ordered pair is a solution of the system.(10, 6)y = 
x2x + y = 14
A. Yes
B. No
Answer: B
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Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.s2 + 3s - 4 = 0
A. Two distinct nonreal complex solutions B. One rational solution (a double solution) C. Two distinct irrational solutions D. Two distinct rational solutions
Identify the domain and the range of the relation from the graph.
A. Domain: [-7, 3] Range: [-6, 4] B. Domain: (-?, 3] Range: (-?, -6] C. Domain: [-6, 4] Range: [-7, 3] D. Domain: [-7, ?) Range: [3, ?)
Solve the system by substitution.0.6x + 0.6y = -5.4 x - 0.4y = -3.4
A. ? B. {(-5, -4)} C. {(-4, -5)} D. {(-0.5, -0.4)}
Solve the problem.Alan wants to invest a total of $6000 in mutual funds and a certificate of deposit (CD). He wants to invest no more in mutual funds than half the amount he invests in the CD. His expected return on mutual funds is 9% and on the CD is 4%. How much money should Alan invest in each area in order to have the largest return on his investments? What is his maximum one-year return?
A. Maximum one-year return is $240 when he invests $0 in mutual funds and $6000 in the CD. B. Maximum one-year return is $440 when he invests $4000 in mutual funds and $2000 in the CD. C. Maximum one-year return is $540 when he invests $6000 in mutual funds and $0 in the CD. D. Maximum one-year return is $340 when he invests $2000 in mutual funds and $4000 in the CD.