Find the inverse of the function.f(x) = 
A. f-1(x) = 
+ 8, x ? 0
B. f-1(x) = 
C. f-1(x) = 
2, x ? 0
D. f-1(x) = 
, x ? 0
Answer: A
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Find the sum of the series.
A. 
B. 
C. 
D. 
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the xy-plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the first quadrant of the xy-plane; range: real numbers z > 0; level curves: lines x + y = c
Change the order of integration and evaluate the integral.
A. 
?2
B. 
?2
C. 
?
D. 
?
Find the derivative of y with respect to the independent variable.y = 7x
A. x ln 7 B. 7x C. 7x ln 7 D. 7x ln x