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