Choose the graph which matches the function.f(x) = 4e- x
A. 
B. 
C. 
D. 
Answer: A
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 0 B. ? C. 1 D. No limit
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.
A. 
; - 
B. 
; - 
C. 
; - 
D. 
; - 
Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $250,000, find each worker's salary.
A. president's salary = $62,500; department head's salary = $187,500 B. president's salary = $18,750; department head's salary = $6250 C. president's salary = $187,500; department head's salary = $62,500 D. president's salary = $125,000; department head's salary = $62,500
Use the quadratic formula to solve the quadratic equation.64x2 - 19 = 0
A. 
B. ± 
C. ± 
D. 8 ± 