Solve.While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 518.4 newtons when the car is moving at a speed of 80 kilometers per hour and the passenger has a mass of 90 kilograms, find the force a passenger experiences when the car is moving at 60 kilometers per hour and the passenger has a mass of 100 kilograms.
A. 360 newtons
B. 288 newtons
C. 396 newtons
D. 324 newtons
Answer: D
Mathematics
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Solve the problem.Find an equation for the level surface of the function 
that passes through the point (?, ?, 1) .
A. 
= 1
B. cos 
= 2?
C. 
= 2?
D. cos 
= 0
Mathematics
Determine if the function f defined by the arrow diagram has an inverse. If it does, create an arrow diagram that defines the inverse. If not, explain why not.
A. Yes;
B. No; the function is not one-to-one.
Mathematics
Solve.
+ 
= 
A. -9, -2 B. 2 C. -2 D. 9, 2
Mathematics
Simplify. (Assume all variables are nonzero.)
A. x10 B. 1.5 C. x2 D. x1.5
Mathematics