Determine whether the given equation is rational or non-rational.
= x2
A. Rational
B. Non-rational
Answer: B
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You want a linearization that will replace the function over an interval that includes the point x0. To make your subsequent work as simple as possible, you want to center the linearization not at x0 but at a nearby integer x = a at which the function and its derivative are easy to evaluate. What linearization do you use?f(x) = 
, x0 = 35.9
A. 
+ 
x
B. 3 + 
x
C. 3 - 
x
D. 3 + 
x
Use the graph to answer the question.The graph shows average hourly wages for health services in a southeastern metropolitan area for a range of years. What was the rate of increase between 2002 and 2003?
A. 0.6 B. 0.61 C. 15.86 D. 15.26
Solve the problem.It costs $900 to start up a business of selling hot dogs. Each hot dog costs 
to produce. Let y be the cost in dollars of producing x hot dogs. Write the cost equation.
A. y = .55x - 900 B. y = .55x + 900 C. y = 900x + .55 D. y = 55x + 900
Find a decimal approximation for the fraction or mixed number, rounded to the given place.
; Round to the nearest thousandth.
A. 0.868 B. 0.667 C. 0.864 D. 0.867