Solve the variation problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 50 seconds with an average speed of 3 feet per second. Find the average speed of the swimmer if it takes 30 seconds to finish the race.
A. 6 feet per second
B. 7 feet per second
C. 4 feet per second
D. 5 feet per second
Answer: D
Mathematics
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The given point is on the graph of y = f(x). Find a point on the graph of y = g(x).g(x) = f(-8x); (5, -8)
A. 
B. 
C. (40, 8)
D. (-40, -8)
Mathematics
Add or subtract as indicated.
- 
A. 
w2
B. 
w
C. 
w
D. 
w2
Mathematics
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = -3(x - 6)2 - 3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In the street map shown below, how many of the routes from A to B pass through C (with no backtracking)? 
Fill in the blank(s) with the appropriate word(s).
Mathematics