Replace A with the proper expression such that the fractions are equivalent.
= 
A. 63mn
B. 9m
C. 3mn
D. 9mn
Answer: D
Mathematics
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Find the value.Let f(x, y, z) = 
+ z2. Find f(- 
, 9, -4).
A. 13
B. (- 
, 9, -4) is not in the domain of f.
C. 16
D. 19
Mathematics
Decide whether the equation defines y as a function of x.y = -17
A. function B. not a function
Mathematics
Identify the type of surface represented by the given equation.
+ 
= 2
A.
| Ellipsoid |
B. Paraboloid
C. Elliptical cylinder
D. Parabolic cylinder
Mathematics
Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Mathematics