Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 2)2 - 4
A. vertex: (2, - 4)
axis of symmetry: x = 2
B. vertex: (2, - 4)
axis of symmetry: x = 2
C. vertex: (- 2, - 4)
axis of symmetry: x = - 2
D. vertex: (- 2, - 4)
axis of symmetry: x = - 2
Answer: A
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Describe the situation with a linear inequality and then solve the inequality.David has $13,000 to invest. He invests $8000 in a mutual fund that pays 12% annual simple interest. If he wants to make at least $2200 in yearly interest, at what minimum rate does the remainder of the money need to be invested?
A. 22.8% B. 24.8% C. 26.8% D. 23.8%
Find the area of the square.
9 mi
A. 36 sq mi B. 84 sq mi C. 77 sq mi D. 81 sq mi
Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (8, 0) and (3, -3)
A. y = - 
x - 7
B. y = - 
x - 
C. y = 
x - 7
D. y = 
x - 
Using the restrictions stated for the function, find a rule for f-1.f(x) = ?x - 9? - 4, x ? 9
A. f-1(x) = x + 17, x ? -4 B. f-1(x) = x + 5, x ? -9 C. f-1(x) = x + 13, x ? -4 D. f-1(x) = x - 13, x ? 4