Solve and check your solution(s).4 + 
= x
A. x = -1
B. x = 9
C. x = 2, 9
D. x = 1, 2
Answer: B
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x(t + 1) - 4t
= 9, 2y + 4y3/2 = t3 + t, t = 0
A. 6
B. 3
C. 
D. 
Write percent as decimal.1%
A. 10.0 B. 1 C. 0.1 D. 0.01
For the following question(s), refer to the tournament digraph below. The vertices of the digraph represent five tennis players in a round-robin tournament. An arc XY represents the fact that X defeated Y in the tournament.
How many games were played in the tournament?
A. 10 B. 5 C. 32 D. 5! E. none of these
Solve.A school has just purchased new computer equipment for 
The graph shows the depreciation of the equipment over 5 years. The point (0, 22,000) represents the purchase price and the point (5, 0) represents when the equipment will be replaced. Write a linear equation in slope-intercept form that relates the value of the equipment, y, to years after purchase x . Use the equation to predict the value of the equipment after 3 years.
A. y = - 22,000x + 22,000; value after 3 years is $-44,000.00 B. y = 22,000x + 5; value after 3 years is $8800.00 C. y = 4400x - 22,000; value after 3 years is $8800.00 D. y = - 4400x + 22,000; value after 3 years is $8800.00;