Find the inverse of the following one-to-one function.f(x) = 
A. f-1(x) =
B. f-1(x) =
C. f-1(x) =
D. Not invertible
Answer: A
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For the following question(s), refer to the digraph below.
Vertex D is
A. incident to vertex E only. B. incident to vertex C only. C. incident to vertex A, B, C, and E. D. incident to vertices C and E. E. none of these
Write the given statement as an equation.The area of an equilateral triangle varies directly as the square of the side s.
A. A =
B. A = ks2
C. A =
D. A = k2s
Explain how the graph of f can be obtained from the graph of y = or y =
. f(x) =
A. Stretch the graph of y = vertically by a factor of 8 and shift to the right 4 units.
B. Stretch the graph of y = vertically by a factor of 8, reflect across the x-axis, and shift to the left 4 units.
C. Stretch the graph of y = vertically by a factor of 8, reflect across the x-axis, and shift to the right 4 units.
D. Stretch the graph of y = vertically by a factor of 8 and shift to the left 4 units.
Find the quotient and the remainder.12x2 + 18x - 11 divided by 2x
A. 6x + 9; remainder -11
B. 12x + 18; remainder -11
C. 6x2 + 9x - ; remainder 0
D. 6x - 2; remainder 0