Determine whether the function shown is continuous over the interval (-5, 5).
A. Yes
B. No
Answer: B
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Solve the problem using the quadratic formula.When water runs out of a hole in a cylindrical container, the height of the water in the container can often be modeled by a quadratic function. Assume that the height of the water in a particular metal can with a small hole can be modeled by h = 0.0005x2 - 0.15x + 8, where x is the time (sec) and h is the height (cm). Use the quadratic formula to estimate the time when the height is 6 cm. Round your answer to the nearest second.
A. 21 sec B. 20 sec C. 18 sec D. 14 sec
An alternating current has an impedance of 10+ 10j amperes and a current of -5+ 9j ohms. if the voltage is the product of impedance and current find the voltage of this alternating circuit.
What will be an ideal response?
Simplify.
A. 
B. 
C. 
D. 
Write the equation either in the form (y - k)2 = a(x - h) or (x - h)2 = a(y - k).x2 + 4x - 5y - 11 = 0
A. (x - 2)2 = 5(y + 3) B. (x + 2)2 = 5(y - 3) C. (x + 2)2 = 5(y + 3) D. (x - 2)2 = -5(y + 3)