Use the graph to solve the problem.Find the rate of change in the temperature.
A. 2 degrees per hour
B. 3.5 degrees per hour
C. 3 degrees per hour
D. 2.4 degrees per hour
Answer: C
Mathematics
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Solve the problem.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.
A. 3.68 ft B. 5.11 ft C. 3.41 ft D. 2.34 ft
Mathematics
Evaluate the integral.
A. 10i - 90j + 
k
B. 5i - 90j + 
k
C. 10i + 90j + 
k
D. 10i - 90j + 
k
Mathematics
Determine the direction angle for the vector. Round to the nearest tenth of a degree.v = -4i - 3j
A. none of these B. 216.9° C. 36.9° D. 233.1°
Mathematics
Simplify the given expression.
1/3
A. 
B. 
C. 
D. 4
Mathematics