Solve the problem.The equation that represents the proper traffic control and emergency vehicle response availability in a small city is
where P is the number of police cars on active duty and F is the number of fire trucks that have left the firehouse in response to a call. In order to comply with staffing limitations, the equation
is appropriate. The number of police cars on active duty and the number of fire trucks that have left the firehouse in response to a call cannot be negative, so
style="vertical-align: -4.0px;" /> and Graph the regions satisfying all the availability and staffing requirements, using the horizontal axis for P and the vertical axis for F. If 5 police cars are on active duty and 5 fire trucks have left the firehouse in response to a call, are all of the requirements satisfied?
A. ; No
B. ; No
C. ; Yes
D. ; Yes
Answer: B
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Solve the problem.A region in the first quadrant is bounded above by the curve y = cosh x, below by the curve on the left by the y-axis, and on the right by the line
Find the volume of the solid generated by revolving the region about the x-axis.
A. 5?
B. 0
C. 2?
D.
Multiply and simplify.(
-
)
A. 60
B. 12
C. 6 - 24
D. 36 - 6
Solve the problem.The triangle in the following figure has a perimeter of 52 feet. Its sides measure (x - 2) feet, (x + 6) feet and x feet. Find x.
A. 12 ft B. 8 ft C. 16 ft D. 54 ft
Express the set of real numbers graphed on the number line using an inequality.
A. x ? -6 B. x ? -6 C. x < -6 D. x > -6