Solve the problem.If u = 
, v = 
, and w = 
, evaluate (u + v) ? w.
A. -35
B. -37
C. -46
D. -42
Answer: D
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Find an equation of the tangent line at x = a.y = x2 - x; a = -4
A. y = -9x + 12 B. y = -9x - 16 C. y = -9x - 12 D. y = -9x + 16
Solve the problem.In an aerobic exercise machine, weights are lifted and a person's hands are constrained to move along arcs of the ellipse 
If the person's hands move upward at 0.2 m/s and start at 
at what velocity is each moving after 2.5 s? Find the magnitude and direction of the velocity.
A. 0.27 m/s, 108° B. 0.21 m/s, 108° C. 0.21m/s, 72° D. 0.27 m/s, 72°
Determine the truth value for the simple statement. Then use these truth values to determine the truth value of the compound statement. Use the chart or graph when provided.In Region X, people are spending more on leisure activities. Annual per capita spending in dollars:
Per capita spending on vacations was higher in Region X in 2010 than it was in 2000 or per capita spending on dining out was less in in Region X in 2010 than it was in 2000.
A. True B. False
Provide an appropriate response.Which of the following demonstrates the correct way to verify the solution to an equation?
A.
-3x = 15; x = 5
-3(5) = 15
B.
7x = 14; x = 7
7 (7) = 14
C. -2x = -20; x = 10
= 
x = 10
D.
-8x = 24; x = -3
-8(-3) = 24