Set up an integral for the length of the curve.y = 5 cos x, 0 ? x ? ?
A. 
B. 
C. 
D. 
Answer: B
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Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = 4-x
What will be an ideal response?
Use the laws of exponents to simplify. Do not use negative exponents in the answer. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.x1/9 ? x8/9
A. x
B. x8/9
C. 
D. x8/81
Solve the absolute value equation.|2x + 2| = 22
A. x = 10 B. x = -12 C. x = -12, 10 D. x = -10, 12
Solve the problem.A deposit of $8000 is made in an account that earns 6% interest compounded quarterly. The balance in the account after n quarters is given by the sequencean = 8000
n n = 1, 2, 3, ... Find the balance in the account after 7 years.
A. $11,975.78 B. $12,217.78 C. $12,219.78 D. $12,137.78