Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.

A.

B.

C.

D.


Answer: C

Mathematics

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Find the center, foci, and vertices of the ellipse.36x2 + 9y2 = 324

A. center at (0, 0)
foci at (
- 3, 0) and (3, 0)
vertices at (
-6, 0), (6, 0)
B. center at (0, 0)
foci at (0, 
6) and (3, 0)
vertices at (0, 
36) and (9, 0)
C. center at (0, 0)
foci at (0, 
- 3) and (0, 3)
vertices at (0, 
-6), (0, 6)
D. center at (0, 0)
foci at (0, 
-6) and (0, 6)
vertices at (0, 
-36), (0, 36)

Mathematics

It is not apparent from the standard viewing window whether the graph of the quadratic function intersects the x-axis once, twice, or not at all. Experiment with various windows to determine the number of x-intercepts. If there are x-intercepts, give their values to the nearest hundredth.y = x2 + 7.9x + 15.6025

A. Two; (-3.95, 0) and (-3.90, 0) B. One; (-3.95, 0) C. One; (-4.25, 0) D. None

Mathematics

Find the numerical value of the expression for  and 

A. a)   b) 
B. a)   b)  
C. a)   b)  
D. a)   b)  

Mathematics

Choose the right conclusion for the given statement and premise.

Post Hoc (False Cause) Fallacy   Yesterday it was raining, and today my car has broken down. Therefore, the rain caused the damage.   Premise: Yesterday it was raining, and today my car has broken down. a.  Conclusion: The rain was strong enough to break the car. b.  Conclusion: The car can break down because of rain. c.  Conclusion: The rain caused the damage. d.  Conclusion: The car broke down yesterday.

Mathematics