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
Mathematics
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