Add or subtract.-
- 
A. 
B. 1
C. 3
D. - 3
Answer: C
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Which of the following are described by an equation of change of the form 
?
?
A. Height of snow on the ground when snow is falling at a constant rate. B. Depth of water in a cylindrical glass when water is added at a constant rate. C. Money in a penny bank when pennies are added on a regular basis. D. All of the above
Evaluate the expression when x = 5, y = -2, and t = 8.x - y
A. 3 B. -3 C. -7 D. 7
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 90 newtons when the car is moving at a speed of 50 kilometers per hour and the passenger has a mass of 40 kilograms, find the force a passenger experiences when the car is moving at 30 kilometers per hour and the passenger has a mass of 90 kilograms.
A. 90 newtons B. 64.8 newtons C. 81 newtons D. 72.9 newtons
Find the quadratic function that fits the set of data points.(-4, 2), (3, -47), (2, -34)
A. f(x) = -x2 + 4x + 2 B. f(x) = 3x2 - 8x + 14 C. f(x) = -x2 - 8x - 14 D. f(x) = x2 + 8x + 2