Determine algebraically whether the function is even, odd, or neither even nor odd.f(x) = 9
A. Even
B. Odd
C. Neither
Answer: A
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Find the value.If F(x, y) = tan-1 
, find Fx(-5, 6) and Fy(-5, 6).
A. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
B. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
C. Fx(-5, 6) = - 
, Fy(-5, 6) = 
D. Fx(-5, 6) = - 
, Fy(-5, 6) = - 
If k is negative, then the power function 
is a decreasing function for positive values of ?x.
Answer the following statement true (T) or false (F)
New telephone lines must be installed to connect 9 cities (A, B, C, D, E, F, G, H and J). Due to government regulations, the only possible connections that are allowed are shown by the edges on the network below. The numbers on the edges indicate the cost (in millions of dollars) of each possible connection. The telephone company wishes to connect the cities in the cheapest possible way.
The number of bridges in the optimal solution to this problem is
A. 10. B. 9. C. 0. D. 8. E. none of these
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two numbers is -6 and their product is -7. Find the numbers.
A. -7 and 1; 7 and -1 B. 7 and -1 C. -7 and 1 D. -7 and -1; 7 and 1