Find the average rate of change for the function between the given values.f(x) = -3x + 9; from 1 to 3
A. 9
B. 3
C. -9
D. -3
Answer: D
Mathematics
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Solve the problem.Find the sum of the infinite series 1 + 9r + 4r2 + 9r3 + r4 + 9r5 + 4r6 + 9a7 + r8 ... for those values of r for which it converges.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Jack went to two dealerships to find the best deal on the truck he plans to purchase. From which dealership should Jack buy the truck so that the total cost of the truck is the least expensive?
A. Dealership 1 B. Dealership 2
Mathematics
Convert 39 mL to cubic centimeters. ?
A. 390 cc B. 39,000 cc C. 0.039 cc D. 3.9 cc E. 39 cc
Mathematics
Graph the system of inequalities.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Mathematics