Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.56 - 4.4 ? (0.76 + 4) - 1.22
A. 33.62
B. 247.06
C. 36.50
D. 244.18
Answer: A
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Solve the problem.Under certain conditions the wind speed S, in miles per hour, of a tornado at a distance d from its center can be approximated by the function 
where a is an atmospheric constant, and V is the approximate volume of the tornado, in cubic feet. Interpret 
.
A. 
represents the instantaneous rate of change in speed with respect to volume while distance is held constant.
B. 
represents the instantaneous rate of change in speed with respect to distance while volume is held constant.
C. 
represents the instantaneous rate of change in volume with respect to speed while distance is held constant.
D. 
represents the instantaneous rate of change in speed with respect to volume and distance.
Find an equation of the tangent line at the indicated point on the graph of the function.y = f(x) = 
, (x, y) = (5, 31.25)
A. y = 
x - 
B. y = 
x - 
C. y = 
x + 
D. y = 
x + 
Solve the problem.
=
A. 11 B. 89 C. 144 D. 55 E. none of these
Solve using the multiplication principle.7.4x = 66.6
A. 
B. 59.2
C. 9
D. 57.6