Find the sum of the infinite geometric series.

 

A.
B.
C.
D.
E. undefined


Answer: C

Mathematics

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Write the equivalent of the fraction using a denominator of 65. ? ?

A.


B.


C.


D.


E.


Mathematics

Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 

A. Domain: all points in the xy-plane; range: real numbers > 0; level curves: ellipses 
B. Domain: all points in the xy-plane; range: all real numbers; level curves: ellipses 
C. Domain: all points in the xy-plane except (0, 0); range: all real numbers; level curves: ellipses 
D. Domain: all points in the xy-plane except (0, 0); range: real numbers > 0; level curves: ellipses 

Mathematics

Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |-x|

A.

B.

C.

D.

Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors.ln  , x > 8

A. ln 7 + ln x + ln (1 + 2x) - 5ln (x - 8)
B. ln 7 + ln x - 7ln (1 + 2x) - 5ln (x - 8)
C. 7ln x + ln (1 + 2x) - 5ln (x - 8)
D. ln 7 + ln x + ln (1 + 2x) - ln 5 - ln (x - 8)

Mathematics