The graph of a function f is given. Use the graph to find the indicated value.f-1(1)
A. 3
B. 4
C. - 
D. 
Answer: D
Mathematics
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Find the smallest value of N that will make the inequality hold for all n > N.
< 10-2
A. 15 B. 13 C. 14 D. 16
Mathematics
Find the weighted mean. Round to the nearest tenth.
A. 230.1 B. 307.7 C. 253.2 D. 54.2
Mathematics
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is a constant and t is the time in years. If the current population is 40,000, in how many years is the population expected to be 100,000? (Round to the nearest year.)
A. 3 yr B. 8 yr C. 59 yr D. 5 yr
Mathematics
Find fractional notation for the ratio. You need not simplify.In this rectangle, find the ratios of length to width and of width to length.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics