Find the greatest common factor of the terms.-x3y9, -xy8
A. y8
B. x3y8
C. xy8
D. x3y9
Answer: C
Mathematics
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Decide whether the given functions are inverses.f = {(1, 1), (-2, -4), (10, -4), (10, 4), (0, 7)}g = {(1, 1), (4, -2), (-4, 10), (4, 10), (7, 0)}
A. No B. Yes
Mathematics
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 4000 in 4 hours, when will its population be 2530? Assume that the population decreases according to the exponential model.
A. after 6 hours B. after 9 hours C. after 5 hours D. after 7 hours
Mathematics
Graph.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics
Estimate the answer to the problem.Jane runs 32 miles a day. Without finding the exact answer, estimate the total number of miles Jane runs in 18 days.
A. 300 mi B. 600 mi C. 200 mi D. 800 mi
Mathematics