Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (-7, 0); passing through (-4, -3)
A. y = (x - 7)2
B. y = - 
(x - 7)2
C. y = - 
(x + 7)2
D. y = (x + 7)2
Answer: C
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If there are G grams of a certain radioactive substance present today, then in one year there will be 
grams remaining. There are initially 28 grams present. How much remains after 6 years? Round your answer to two decimal places.
?
A. 25.94 grams B. 23.32 grams C. 22.18 grams D. None of the above
Perform the indicated operations.(7x - 3y)2
A. 7x2 + 9y2 B. 49x2 - 42xy + 9y2 C. 7x2 - 42xy + 9y2 D. 49x2 + 9y2
Solve the problem.A lens can be described as the volume generated by rotating the first quadrant area under the curve 
about the y-axis (measurements in cm). Find its centroid.
A. 0.833 cm above the center of the base B. 1.25 cm above the center of the base C. 1.67 cm above the center of the base D. 3.33 cm above the center of the base
Solve the equation.- 
x = 25
A. -216 B. -225 C. -34 D. -200