Use the Distributive Property to remove the parentheses.4x(x + 5)
A. 4x2 + 20x
B. x2 + 20x
C. 20x2
D. 4x2 + 5
Answer: A
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The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the minimum spanning tree is
A. 68. B. 24. C. 125. D. 26. E. none of these
Solve the problem.Find (g?f)(2) when f(x) = 
and g(x) = 4x2.
A. 
B. 16
C. 682
D. 68
We can often multiply and divide radicals with different indexes. For example:
?
?
Use this idea to write the following expression as a single radical.
?
What will be an ideal response?
Solve the problem.What is the range of the secant function?
A. all real numbers
B. all real numbers from -1 to 1, inclusive
C. all real numbers greater than or equal to 1 or less than or equal to -1
D. all real numbers, except odd multiples of 
(90)°