Match the graph with the most appropriate sentence.  Hours of treatment

A. Fluids were provided at a constant rate during the first four hours of treatment and then were discontinued.
B. Fluids were provided at an increasing rate during the first four hours of treatment and then were provided at a constant rate.
C. Fluids were provided at an increasing rate during the first four hours of treatment and then were discontinued.
D. Fluids were provided at a constant level during the first four hours of treatment and then were discontinued.


Answer: A

Mathematics

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How many different 7-number combinations are there in a lock with 21 numbers?  ?

A.


B.

116,280


C.


D.

21(20)(19)(18)(17)


E.

?None of the above.


Mathematics

Write the formula for Newton's method and use the given initial approximation to compute the approximations x1 and x2. Round to six decimal places.f(x) = x2 - 30; x0 = 6

A. xn+1 = xn + ; x1 = 5.500000, x2 = 5.477273
B. xn+1 = xn - ; x1 = 6.500000, x2 = 4.477273
C. xn+1 = ; x1 = 6.000000, x2 = 5.977273
D. xn+1 = ; x1 = 5.500000, x2 = 5.477273

Mathematics

Solve the problem.Evaluate  at t = ? for the function w(x, y, z) = ; x = sin t, y = cost, z = t2.

A. 2
B. - 2
C. - 
D. - 2

Mathematics

Write the statement in words and decide whether it is true or false.5 ? 3

What will be an ideal response?

Mathematics