Find an equation of the hyperbola centered at the origin that satisfies the given condition.
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Identify the equation as either linear or nonlinear by trying to write it in the form 
5x2- 2.3x = x2 - 2
A. Nonlinear B. Linear
The average speed of a vehicle on a stretch of Route 134 between 6 a.m. and 9 a.m. on a typical weekday is approximated by the function
?
?
where 
is measured in miles per hour and 
is measured in hours, with 
corresponding to 6 a.m. Find the interval where 
is decreasing and the interval where 
is increasing.
?
A. 
is increasing on 
is decreasing on 
B.
is increasing on is decreasing on 
C.
is increasing on 
is decreasing on 
D.
is increasing on 
is decreasing on
E.
is increasing on 
is decreasing on
Solve the problem.The rate of growth of profit (in millions) from an invention is approximated by 
where x represents time in years. The total profit in year 1 that the invention is in operation is $45,000. Find the total profit function P(x).
A. P(x) = -.5e-x2+ 229,000
B. P(x) = -.5e-x2+ 0.229
C. P(x) = - 
e-x2- 229,000
D. P(x) = - 
e-x2- 0.229
Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $21.36 B. $22.86 C. $22.36 D. $21.86