Simplify the expression.

A) 4
B) 5
C) 20
D) 16
E) none of these


A) 4

Mathematics

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Evaluate the function for the given value. Round to the nearest thousandth.f(x) = e2x; f

A. 1.948 B. 0.002 C. 0.453 D. 0.513

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Solve the problem.Assume the function f computes the number y in millions of people using the internet in year x.  f = {(1996, 1.2), (1998, 4.3), (2000, 9.8) Evaluate f(2000) and give the domain and range of f

A. f(2000) = 4.3; D: {1.2, 4.3, 9.8}, R: {1996, 1998, 2000} B. f(2000) = 9.8; D: {1.2, 4.3, 9.8}, R: {1996, 1998, 2000} C. f(2000) = 1.2; D: {1996, 1998, 2000}, R: {1.2, 4.3, 9.8} D. f(2000) = 9.8; D: {1996, 1998, 2000}, R: {1.2, 4.3, 9.8}

Mathematics

Write the following in interval notation.{x| 8 < x < 9}

A. [8, 9) B. (8, 9) C. (8, 9] D. [8, 9]

Mathematics

Find the partial derivative.Find fy(5, -6) when f(x,y) = 7x2 - 9xy.

A. 39 B. -45 C. 129 D. -54

Mathematics