Express each set in interval notation.
 figure 1.png)
(a) [-4,7]; (b) (-4,7]
Mathematics
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A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use Simpson's rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 3
A. 3.5 ft B. 3.94664 ft C. 2.59378 ft D. 2.14706 ft
Mathematics
Choose the most reasonable unit of measure.Medication in a tablet 190 
(mg, g, kg)
A. g B. kg C. mg
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.f + 1 < 9
A. (-?, 8)
B. [8, ?)
C. (8, ?)
D. (-?, 8]
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
is a fraction whose numerator is greater than or equal to its denominator.
A. proper fraction B. prime number C. mixed number D. improper fraction
Mathematics