Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s), y = h(t), z = k(r, s, t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Answer: A
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Multiply using duplation and mediation.13 × 100
A. 1248 B. 1300 C. 1326 D. 1287
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for 
A. $459.18 B. $5400.00 C. $25.00 D. $5625.00
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.64y2 - 36x2 = 2304
A. center at (0, 0)
transverse axis is x-axis
vertices: (-6, 0), (6, 0)
foci: (-8, 0), (8, 0)
asymptotes of y = - 
and y = 
B. center at (0, 0)
transverse axis is y-axis
vertices at (0, -6) and (0, 6)
foci at (0, - 10) and (0, 10)
asymptotes of y = - 
and y = 
C. center at (0, 0)
transverse axis is x-axis
vertices: (-8, 0), (8, 0)
foci: (- 10, 0) , (10, 0)
asymptotes of y = - 
and y = 
D. center at (0, 0)
transverse axis is y-axis
vertices: (0, -6), (0, 6)
foci: (- 10, 0) , (10, 0)
asymptotes of y = - 
and y = 
Set up this problem in terms of 
etc. Do not compute the answer.There are 35 girls and 41 guys in a class. How many ways can one select a committee of 3 girls and 4 guys?
What will be an ideal response?