At what points is the given function continuous?f(x, y) = tan (x + y)
A. All (x, y)
B. All (x, y) ? (0, 0)
C. All (x, y) such that x + y ? 
, where n is an integer
D. All (x, y) ? 
Answer: C
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The graph below shows the approximate annual percentage growth rate in world population for the years 1960 through 2010. Data is estimated by the UN Census Bureau.Annual Growth Rate (Percentage) 
Use the graph to answer the question.In which year(s) during the period 1960-2010 is world population growing at the fastest rate?
A. 1963-1964 B. 1984 C. 1970 D. 2010
Use the graph of the function to find the following: a. the domain and range of the function; b. the intercepts, if any; c. the indicated function values; and d. the value of x given the function value.
c. Find f(0), f(1), and f(12).d. Solve f(x) = 6.
What will be an ideal response?
For the complex number, state the real part, the imaginary part, and identify the number as real, pure imaginary, or nonreal complex.16
A. Real part: 16; Imaginary part: 0; Real B. Real part: -16; Imaginary part: -1; Pure imaginary C. Real part: 0; Imaginary part: 16; Pure imaginary D. Real part: -16; Imaginary part: -1; Real
Find the composite function for the given functions and state the domain. f ? g for f(x) = 
and g(x) = 
A. 
B. 
C. 
D. 