Provide an appropriate response.When solving a system of equations, you get x + 3 = x + 5. How many solutions are there?
A. One solution
B. Infinitely many
C. No solutions
Answer: C
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Solve the problem.The altitude h (in m) of a rocket is given by h = -2t3 + 90t2 + 400t + 30, where t is the time (in s) of the flight. When does the rocket hit the ground?
A. 50.107 s B. 49.081 s C. 47.529 s D. 46.327 s
Find the vertices of the hyperbola with the given equation.
- 
= 1
A. (0, -2), (0, 2) B. (0, -1), (0, 1) C. (-2, 0), (2, 0) D. (-1, 0), (1, 0)
Solve the system of linear equations using matrices.
A. (-2, 1) B. (1, -2) C. ? D. (-1, 2)
Provide an appropriate response.A group of investors has $500,000 to invest in the stocks of three companies. Company A sells for $50 a share and has an expected growth of 13% per year. Company B sells for $20 per share and has an expected growth of 15% per year. Company C sells for $80 a share and has an expected growth of 10% per year. The group decides to try a new investment strategy which entails buying equal amounts of shares in Company B and Company C, and having a goal of 11.4% growth per year. How many shares of each stock should they buy?
What will be an ideal response?