Solve the equation.25y2 + 30y + 8 = 0

A. - , -  
B. , - 
C.  
D. - , -  


Answer: D

Mathematics

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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 

A. 2 B. 0 C. 1 D. No limit

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Find the exact value of the expression.tan 345°

A.
B. 2 + 
C. -2 - 
D.

Mathematics

Find the simplified form for f(x) and list all restrictions on the domain.f(x) =  - 

A. f(x) = , x ? 11,-7, 14
B. f(x) = , x ? -11, 7
C. f(x) = , x ? 11, -7
D. f(x) = , x ? -11, 7

Mathematics

Find the coordinates of the vertex of the quadratic function.f(x) = -x2 - 2x + 6

A. (-1, 7) B. (1, 5) C. (-2, 6) D. (1, 3)

Mathematics