Find the average rate of change for the function over the given interval.y = x2 + 5x between x = 2 and x = 7
A. 
B. 12
C. 10
D. 14
Answer: D
Mathematics
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Apply Green's Theorem to evaluate the integral.
-5 dx + 7x dy; C the circle with center (0, 0) and radius 4.
A. 112? B. 28 C. 16? D. 28?
Mathematics
Provide an appropriate response.The graph of an exponential function with base a is given. Is a > 1 or is 0 < a < 1? Explain how you arrived at your answer. Give the domain and range of f. f(x) = ax 
What will be an ideal response?
Mathematics
Find the largest open interval where the function is changing as requested.Increasing f(x) = 
A. (0, ?) B. (-?, 0) C. (1, ?) D. (-?, 1)
Mathematics
Solve the equation.-0.05(80) + 0.6x = 0.2(80 + x)
A. {60} B. {25} C. {50} D. {40}
Mathematics