Write the number in standard notation.6.21 × 105
A. 6,210,000
B. 621,000
C. 310.5
D. 62,100
Answer: B
Mathematics
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Suppose that f satisfies the equation of change 
. The initial value of f is 16. Make a graph of f. Use a horizontal span of 0 to 5.
What will be an ideal response?
Mathematics
Provide an appropriate response.Graph f(x) = cos-1 x together with its first derivative. Comment on the behavior of f and the shape of its graph in relation to the signs and values of f'. 
What will be an ideal response?
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Use a half-angle formula to find the exact value of the expression.sin 
A. 
B. - 
C. 
D. - 
Mathematics
Find the equation of the parabola with the given properties.Vertex: (-1, 4); horizontal axis of symmetry; containing the point (11, 2)
A. 
(x - 4) =(y + 1)2
B. 
(y - 4) =(x + 1)2
C. 
(x + 1) =(y - 4)2
D. 
(y + 4) =(x - 1)2
Mathematics