Find the function value.Let f(x) = 
x. Find f(-2).
A. -12
B. 
C. 36
D. - 
Answer: C
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Use mathematical induction to prove the statement is true for all positive integers n.1 + 3 + 32 + . . . + 3n - 1 = 
What will be an ideal response?
Determine a quadratic function that results when applying the given shifts to the graph of 
Shift 18 units up.
A. f(x) = x2 - 18 B. f(x) = x2 + 18 C. f(x) = (x - 18)2 D. f(x) = (x + 18)2
Solve the problem.Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 3. Round to the nearest tenth.
A. 30.2 B. 284.3 C. 23.7 D. 94.8
In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents the North Bank is
A. 3. B. 1. C. 4. D. 2. E. none of these