Find the coordinates of the vertex of the quadratic function.f(x) = -(x + 4)2 + 7 

A. (-4, 7)
B. (7, 4)
C. (7, -4)
D. (4, 7)


Answer: A

Mathematics

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Evaluate the integral.6x dx

A.  x cot 6x -  ln  + C
B. -  x cot 6x +  ln  + C
C. - x cot 6x + ln  + C
D. - 6x cot 6x + 36 ln  + C

Mathematics

Plot the ordered pairs on the rectangular coordinate system provided.A(4, 4), B(-2, -2)

A.

B.

C.

D.

Mathematics

Find the root.- 

A. -7 B. 49 C. 7 D. Not real number

Mathematics

Find all numbers u (if any) so that the given point (u, y) or (x, u) is on the unit circle.

A. ± 
B. ± 
C. ± 
D. ± 

Mathematics