Determine whether it is true or false that the given number is a solution of the equation.4; -4x = -16.
A. True
B. False
Answer: A
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A state map has county lines as shown. If the counties are to be colored and no two counties which share a border can have the same color, what is the minimum number of colors required for this map? Explain your solution.
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. -5 b. x = 0 B. a. -6 b. x = -6 C. a. -5 b. x = -5 D. a. 0 b. x = -5
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = x2 - 5, x ? 0
A. 
f domain = (-?, ?); range = (-5, ?)
f-1 domain = (-?, ?); range = (5, ?)
B. 
f domain = (0, ?); range = (-5, ?)
f-1 domain = (0, ?); range = (5, ?)
C. 
f domain = (-?, ?); range = (-5, ?)
f-1 domain = (-?, ?); range = (-5, ?)
D. 
f domain = (0, ?); range = (-5, ?)
f-1 domain = (0, ?); range = (-5, ?)
Perform the indicated operations. Write the resulting polynomial in standard form.(4x - 12)(4x + 12)
A. 4x2 + 96x - 144 B. 16x2 + 96x - 144 C. 16x2 - 144 D. 16x2 - 96x - 144