Find the rate as a ratio of distance to time. Round to the nearest hundredth where appropriate.38.5 km, 5 days
A. 7.7
B. 5
C. 38.5
D. 7.7
Answer: D
Mathematics
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 1 2 3 y 8.07 7.26 6.53 5.88?
A.
B. ?
C. ?
D. ?
Mathematics
Use an Euler diagram to determine whether the argument is valid or invalid.No even number is divisible by 9.54 is an even number. Therefore, 54 is not divisible by 9.
A. valid B. invalid
Mathematics
Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = x3 cos ?x
A.
B.
C.
D.
Mathematics
Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}(A ? B) ? A'
A. {2, 4, 6, 7, 8, 9} B. { } C. {2, 4, 6} D. {1, 2, 4, 6, 12}
Mathematics