Evaluate the improper integral or state that it is divergent.
A. Divergent
B. 0
C. 
D. 18 ln 18
Answer: A
Mathematics
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Graph the polar equation.r = 5 cos 6?
A. 
B. 
C. 
D. 
Mathematics
Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 5x + 9; f '(2)
A. f '(x) = 5x; f '(2) = 10 B. f '(x) = 9; f '(2) = 9 C. f '(x) = 5; f '(2) = 5 D. f '(x) = 0; f '(2) = 0
Mathematics
Solve the system of equations using substitution.
A. x = -5, y = 0; x = 3, y = 4
or (-5, 0), (3, 4)
B. x = 0, y = 
; x = 0, y = - 
; x = 4, y = 
or 
, 
, 
C. x = 0, y = 
; x = 4, y = 
or 
, 
D. x = 5, y = 0; x = -5, y = 0; x = 3, y = 4
or (5, 0), (-5, 0), (3, 4)
Mathematics
Suppose the triangles shown are similar, with angle A = angle D, angle B = angle E, and angle C = angle F. Answer the question.
What is the value of x?
A. 16 B. 9 C. 31 D. 15
Mathematics