Find a parametrization for the curve.The upper half of the parabola x + 2 = y2
What will be an ideal response?
Answers will vary. Possible answer: x = t2 + 2, y = t, t ? 0
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Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $200,000, find each worker's salary.
A. president's salary = $100,000; department head's salary = $50,000 B. president's salary = $15,000; department head's salary = $5000 C. president's salary = $150,000; department head's salary = $50,000 D. president's salary = $50,000; department head's salary = $150,000
Perform the indicated operations.(12x4y2 - 7x2y2 + 5xy) + (11x4y2 - 8x2y2 + 10xy)
A. 23x4y2 + 15x2y2 + 15xy B. 15x4y2 - 23x2y2 + 15xy C. 23x4y2 - 15x2y2 + 15xy D. -15x4y2 + 23x2y2 + 15xy
Use a proportion to solve the application.Five out of 10 adults in a certain city reported they receive more email than they can read. If this city has 53,000 adults, how many reported that they receive more email than they can read?
A. 10,600 adults B. 26,500 adults C. 2650 adults D. 1060 adults
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-4x + y + 3z - w = 2 -x - 3y + z - 3w = -1 -3x + 3y - 4z + w = -4 3x - y - z - 3w = -11
A. (1, -4, -1, 5) B. (-1, 2, -1, -3) C. (-1, -2, 1, 3) D. No solution