Calculate the derivative.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = -4yi + 4xj + 2z6k; C: r(t) = cos ti + sin tj, 0 ? t ? 7
A. W = 98 B. W = 56 C. W = 28 D. W = 0
Mathematics
A physician orders Lasix 40mg p.o. q12h × 4d. Assume that 80mg scored tablets are available. How many tablets are needed for one dose?
A. 1/2 tablet B. 1 tablet C. 2 tablets D. cannot be calculated
Mathematics
Find the constant of variation and construct the function that is expressed in each statement.y varies directly as x: y = 20, when x = 5
A. y = 
B. y = 4x
C. y = 5x
D. y = 20x
Mathematics
Perform the indicated operations.Subtract (3x - 30) from the sum of (-2x + 2) and (9x - 3).
A. 10x - 31 B. 4x + 29 C. -4x - 29 D. 8x + 35
Mathematics