Solve the problem by combining like terms.Find the perimeter of a square with sides of length 
A. 4x - 7
B. 4x - 28
C. x - 28
D. x2 + 49
Answer: B
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Determine where the given function is concave up and where it is concave down. f(x) = x3 + 3x2 - x - 24
A. Concave down on (-?, -1) and (1, ?), concave up on (-1, 1) B. Concave up on (-?, -1), concave down on (-1, ?) C. Concave down for all x D. Concave up on (-1, ?), concave down on (-?, -1)
Solve the problem.The formula for the up and down motion of a weight on a spring is given by 
If the spring constant is 5, then what mass m must be used in order to produce a period of 6 seconds?
A. 
B. 
C. 
D. 
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 
ln x; relative to f(x) = ln x
A. Shrunk vertically
B. Stretched vertically
C. Shrunk horizontally
D. Moved down 5 units
Find an equation of a polynomial function of least degree having the given complex zeros, intercepts, and graph.f(x) has complex zeros -i and -2i
A. f(x) = 
(x - 1)(x + 1)(x - 4)(x + 4)(x - 1)
B. f(x) = 
(x2 + 1)(x2 + 4)(x - 1)
C. f(x) = 
(x2 + 1)(x2 + 4)(x - 1)
D. f(x) = 
(x2 + 1)(x2 + 4)(x + 1)