Solve the problem.Find the equation of the tangent to the parabola x2 = -2y at the point (2
, -6).
A. y = - 
x - 6
B. y = 
x - 3
C. y = - 2
x + 6
D. y = - 2
x - 18
Answer: C
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If 
denotes the tax owed on an income of I dollars, then 
represents the marginal tax rate.
Answer the following statement true (T) or false (F)
Solve the problem.Bob and Fred play the following game. Bob rolls a single die. If an even number results, Bob must pay Fred the number of dollars indicated by the number rolled. On the other hand, if an odd number is rolled, Fred must pay Bob the number of dollars indicated by the number rolled. Find Fred's expectation.
A. $0.00 B. $0.25 C. -$0.10 D. $0.50
Solve the system of equations. If the system is dependent, express solutions in terms of the parameter z. 4x + y - 3z = 9 2x - 7y - 4z = 20
A. 
B. 
C. 
D. 
Find the absolute value.
A. 
B. 0
C. 
D. 