Answer the question about the given function.Given the function f(x) = -5x2 + 10x + 6, what is the domain of f?
A. (-?, ?)
B. (-?, 1]
C. [-1, ?)
D. [1, ?)
Answer: A
Mathematics
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Find the derivative of the function at the given point in the direction of A.
A = 12i - 5j
A. 
B. 
C. 
D. 
Mathematics
Find the missing quantities as requested.Find the diameter.
A. 119.006 mi B. 75.8 mi C. 18.95 mi D. 4,510.33 mi
Mathematics
Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Mathematics
Find an equation of the line with the given slope that passes through the given point. Write the equation in the form 
m = 4; (10, 9)
A. 4x - y = -49 B. 4x - y = 31 C. 4x - y = -9 D. 4x - y = 26
Mathematics