Find zw or 
as specified. Leave your answer in polar form.z = 8
w = 3
Find 
.
A. 5
B. 5
C. 
D. 
Answer: D
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 
C. 
= 
D. 
= 0
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = x2 - 1, g(x) = 2x + 1Find (f/g)(
).
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the hyperbola described.Vertices at (±8, 0); foci at (±9, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.4, 5, 6
A. right triangle; 5 B. right triangle; 4 C. right triangle; 6 D. not right triangle
Mathematics