Evaluate the function f at the indicated value. {8x, if x ? -1x - 6, if x > -1

A. -11
B. -1
C. -40
D. 40


Answer: C

Mathematics

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Simplify the expression. Assume all variables represent positive real numbers.

A. 4x2
B. 4xy2
C. 4xy
D. 4x

Mathematics

The graph of an exponential function is given. Match the graph to one of the following functions.

A. f(x) = 2-x B. f(x) = -2x C. f(x) = -2-x D. f(x) = 2x

Mathematics

Solve.The roof of a building is in the shape of the hyperbola  where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 8 m

A. 95 m B. 9.5 m C. 9.7 m D. 3.1 m

Mathematics

Answer the question.Which of the following statements are true?I: A linear transformation from ? to ?n is called a linear functional.II: The convex hull of a closed set is closed.

A. II B. Both I and II C. I D. Neither I or II

Mathematics