Find the slope of the tangent line to the graph at the given point.f(x) = x2 + 5x at (4, 20)
A. 21
B. 13
C. 9
D. 3
Answer: B
Mathematics
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Write a word name as on a check.$641.04
A. Six hundred and 41/100 dollars B. Six hundred and 4104/100 dollars C. Six hundred forty-one and 04/100 dollars D. Six hundred forty and 04/100 dollars
Mathematics
Replace the polar equation with an equivalent Cartesian equation. 9r cos ? + 2r sin ? = 1
A. 9y + 2x = 1
B. 9x + 2y = 1
C. 9x + 2y = x2 + y2
D. 
+ 
= 1
Mathematics
Find average for each set of numbers.2.6, 3.6, 4.5, 5.2, 6.6, 5.3, 4.9, 4.7, 4.3, 5.1, 2.7
A. 4.5 B. 4 C. 6 D. 5
Mathematics
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -4y3i + 4x3j + 8z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. 972? B. -972? C. - 486? D. 486?
Mathematics