Find the perfect square trinomial whose first two terms are given.x2 + 15x
A. x2 + 15x + 
B. x2 + 15x + 
C. x2 + 15x + 
D. x2 + 15x + 
Answer: C
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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = xi - yj
What will be an ideal response?
Determine whether the function is a one-to-one function.f = {(9, -2), (2, -9), (-1, 3), (1, -3)}
A. not one-to-one B. one-to-one
Solve the problem.Two machines are turned on at 8:00 A.M. If one can produce 29 items each hour and the other can produce 36 items each hour, at what time will they produce a total of 130 items?
A. 10:00 A.M. B. 11:00 A.M. C. 11:30 A.M. D. 9:00 A.M.
Solve the problem.The rate of growth of the profit (in millions) from an invention is approximated by 
where x represents time measured in years. The total profit in year 1 that the invention is in operation is $35,000. Find the total profit function. Round to three decimal places where appropriate.
A. P(x) = -0.5e-x2 - 0.219 B. P(x) = -0.5e-x2 - 219,000 C. P(x) = -0.5e-x2 + 219,000 D. P(x) = -0.5e-x2 + 0.219