Simplify the expression.
A. 
B. 
C. 
D. 1 + 
Answer: B
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Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the counterclockwise path around the circle x2 + y2 = 16
A. 0 B. 32? C. 8? D. 64?
Factor completely.x2 - x - 42
A. (x - 7)(x + 7) B. (x + 1)(x - 13) C. (x + 6)(x - 7) D. (x + 7)(x - 6)
Write the new function.The linear function f(x) = 225x + 6320 provides an approximation of the annual cost (in dollars) to rent an apartment at the Leisure Village Retirement Community, where x = 1 represents 1979, x = 2 represents 1980, and so on. Write a new function, g(x), that yields the same f(x)-values when the exact year number is entered.
A. g(x) = 225(1979 - x) + 6320 B. g(x) = 225(x - 1978) + 6320 C. g(x) = 225(1978 - x) + 6320 D. g(x) = 225(x - 1979) + 6320
Add. Write a mixed numeral for the answer.
A. 5
B. 5
C. 5
D. 6