The rule of the derivative of a function f is given. Find the location of all local extrema.f'(x) = (x2 - 4)(x - 1)
A. Local maximum at 1 - 
; local minimum at 1 + 
B. Local maximum at 1; local minima at -2 and 2
C. Local maximum at 1 + 
; local minimum at 1 - 
D. Local maxima at -2 and 2; local minimum at 1
Answer: B
Mathematics
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Find the amount by which the ordinary interest is larger than the exact interest. Round to the nearest cent.$91,900 at 8
% for 84 days
A. $0.30 B. $24.96 C. $35.46 D. $15.46
Mathematics
Identify the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Given a = 12, b = 10 and c = 7. use the Law of Cosines to solve the triangle for the value of A. Round answer to two decimal places.
A) 87.95° B) 80.44° C) 35.66° D) 56.39° E) 60.33°
Mathematics
?Use the determinant to decide whether the matrix given below is singular or nonsingular.
?
?
A. ?nonsingular B. ?singular
Mathematics