Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 1
B. 2
C. 0
D. No limit
Answer: D
Mathematics
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Evaluate the algebraic expression for the given values of the variables. x2(y - z); x = 
, y = 
, z = 
A. 
B. - 
C. - 
D. 
Mathematics
Solve for x.-0.08x + 0.15(900 - x) = 0.27x
A. 67.5 B. 270 C. 540 D. 675
Mathematics
For the complex number, state the real part, the imaginary part, and identify the number as real, pure imaginary, or nonreal complex.3 + ?
A. Real part: 3; Imaginary part: ?; Pure imaginary B. Real part: 3 + ?; Imaginary part: 0; Real C. Real part: ?; Imaginary part: 3; Pure imaginary D. Real part: 0; Imaginary part: 3 + ?; Pure imaginary
Mathematics
Evaluate the expression.
; when x is 10 and y is -4.
A. 0 B. 8 C. undefined D. -8
Mathematics