Graph the system of linear inequalities.y ? xy ? - 
+ 1
A. 
B. 
C. 
D. 
Answer: A
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Determine the values of x for which the function, as represented by the graph, is continuous. If the function is not continuous, determine the reason.
A. Not continuous at x = 4; function not defined B. Not continuous at x = 4, x = 6; function not defined C. Not continuous at x = 4; small change D. Continuous for all x
Solve. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars? Round to one decimal place.
A. 7.6 × 103 sec B. 76 sec C. 7.6 × 102 sec D. 7.6 × 102 min
Use a table of values to graph the plane curve defined by the following parametric equations. Find a rectangular equation for the curve.x = 2t - 1, y = t2 + 4, for t in [-4, 4] 
A. 
y = x2 + 1, for x in [-2, 2]
B. 
y = - 
x + 30, for x in [-6, 4]
C. 
y = 
x2 + 1, for x in [-6, 4]
D. 
y = 
x2 + 
x + 
, for x in [-9, 7]
Find a set of parametric equations for the rectangular equation.y = x4 - 4
A. x = t2; y = t2 - 4 B. x = t; y = t2 - 4 C. x = t2; y = t4 - 4 D. x = t; y = t4 - 4