Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 7x6 - 4x4 - 5x3 + 7x2 - 3x
A. 1 or 3 positive; 0 or 2 negative
B. 1 or 3 positive; 2 negative
C. 0 or 2 positive; 0 negative
D. 0 or 2 positive; 1 or 3 negative
Answer: A
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Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = ex - x2
What will be an ideal response?
Determine whether the statement makes sense. If the statement is possible then it makes sense. If it is clearly impossible, it does not make sense. The book contains 106 letters.
A. Yes B. No
Find the axis of symmetry of the given function.g(x) = 3x2 - 12x + 8
A. x = 4 B. x = -2 C. x = -4 D. x = 2
Solve the equation.3(4x + 1)2 = -10(4x + 1) - 3
A. {- 1, - 
}
B. {- 
, - 1}
C. {- 
, 
}
D. {- 
, -3}