Find all the first order partial derivatives for the following function.f(x, y, z) = xz
A. 
= z
; 
= 
; 
= x
B. 
= z
; 
= 
; 
= x
C. 
= z
; 
= - 
; 
= x
D. 
= z
; 
= - 
; 
= x
Answer: A
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Provide an appropriate response.Determine whether the sequence is arithmetic, geometric, or neither. If the sequence is geometric, find the common ratio r. If the sequence is arithmetic, find the common difference d.7, 4, 1, -2, -5, ...
A. arithmetic, d = 3 B. neither C. geometric, r = -3 D. arithmetic, d = -3
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.6
(
+ 
)
A. 6
+ 7
B. 6
+ 7
C. 6
+ 42
D. 42
+ 42
A family of functions is given. Use a graphing device to graph all the given members of the family in the viewing rectangle indicated. Use the graphs to describe how the value of c affects the graph.
?
?
(a) 
by 
.
?
(b) 
by 
.
What will be an ideal response?
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.2x2 - 4x + 2y2 - 6 = 0
A. a. center = (-1, 0); radius = 2
b. (3, 0), (-1, 0), (0, 
), (0, -
)
B. a. center = (1, 0); radius = 2
b. (3, 0), (-1, 0), (0, 
), (0, -
)
C. a. center = (1, 0); radius = 4
b. (3, 0), (-1, 0), (0, 
), (0, -
)
D. a. center = (-1, 0); radius = 4
b. (3, 0), (0, 
)