Find the derivative of the function at the given value of x.f(x) = x3 + 4x; x = -2
A. 16
B. 12
C. 4
D. -2
Answer: A
Mathematics
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Solve the equation for solutions over the interval [0, 2?). Write solutions as exact values or to four decimal places, as appropriate.sin 
+ cos 
= 0
A. 
B. 
C. {0 , ?}
D. 
Mathematics
Write an equation for the parabola with vertex at the origin.Focus 
A. y2 = - 
x
B. x2 = - 
y
C. y2 = -24x
D. x2 = -24y
Mathematics
Find g?g?g, where g(x) = x².
 figure 1.png)
Mathematics
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 + 6x - 8
A. vertex (-3, -1)
intercepts (-4, 0), (- 2, 0), (0, 8)
B. vertex (3, -1)
intercepts (4, 0), (2, 0), (0, 8)
C. vertex (-3, 1)
intercepts (-4, 0), (- 2, 0), (0, -8)
D. vertex (3, 1)
intercepts (4, 0), (2, 0), (0, -8)
Mathematics