Find the indicated derivative.Find fz for f(x, y, z) = 2x9e(10y10 + 8z6).
A. 96x9z5e48z5
B. 96x9z5e(10y10 + 8z6)
C. 48z5e8z6
D. 48z5e(10y10 + 8z6)
Answer: B
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Write an equation for the linear function and use it to answer the given question. In the town of Oak Forest, a 3% local sales tax and a 5% state sales tax are charged on all retail sales. Let p be the before-tax amount of a purchase in dollars. Let T be the after-tax amount of the purchase. Find a linear equation that describes how T varies with p. What is the total price of an item that costs $49 before taxes?
A. T = 0.98p; $48.02 B. T = 0.08p + 1; $4.92 C. T = 1.08p; $52.92 D. T = 0.92p; $45.08
Perform the indicated operation. Assume that all variables are nonnegative.
(
- 
)
A. 7
+ 7
B. 8
C. 
D. 
- 
Find the partial fraction decomposition for the rational expression.
A. 2x - 9 + 
+ 
B. 2x + 9 + 
+ 
C. 2x + 5 + 
+ 
D. 2x - 9 + 
- 
Solve using the multiplication principle.3a ? 9
A. {a
a < 3}
B. {a
a > 3}
C. {a
a ? 3}
D. {a
a ? 3}