Express the number in decimal notation.8.1 × 105
A. 81,000
B. 8,100,000
C. 405
D. 810,000
Answer: D
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x + 1)2 - 9
A. vertex: (1, - 9)
axis of symmetry: x = 1
B. vertex: (1, - 9)
axis of symmetry: x = 1
C. vertex: (- 1, - 9)
axis of symmetry: x = - 1
D. vertex: (- 1, - 9)
axis of symmetry: x = - 1
Mathematics
For the given functions f and g, find the requested composite function value.f(x) = 
, g(x) = x2 + 9;
Find (g ? f)(-2).
A. 25
B. 
C. 
D. 13
Mathematics
Simplify.
A. - 
B. 
C. 
D. 
Mathematics