Determine where the function is increasing and where it is decreasing.f(x) = x2 + 10x
A. increasing on (5, ?)
decreasing on (-?, 5)
B. increasing on (-?, 5)
decreasing on (5, ?)
C. increasing on (-5, ?)
decreasing on (-?, -5)
D. increasing on (-?, -5)
decreasing on (-5, ?)
Answer: C
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Use the requested method to approximate the definite integral.Use the method of midpoint Riemann sum with n = 2 to approximate the value of 
A. 62.5 B. 187.5 C. 10 D. 93.75
Kelsey is setting up the Events Center for a petting zoo. She builds the pens along a long wall. She starts in a corner, making the first pen with two panels and needing two more panels for each additional pen. Build an input-output table for the number of panels needed for 1 to 5 pens. How many panels are needed for 10 pens?
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Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.6 ln(x - 2) - 7 ln x
A. ln 42x(x - 2)
B. ln 
C. ln x7(x - 2)6
D. ln 
Find the sum.
A. 
B. 
C. 
D. 
E. 