Provide an appropriate response.Find the mean for the following grouped data.IntervalFrequency9.5-12.5212.5-15.5315.5-18.5818.5-21.54

A. 16.47
B. 17
C. 11
D. 14


Answer: A

Mathematics

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Provide an appropriate response.Suppose that f has a positive derivative for all values of x and that f(2) = 0. Which of the following statements must be true of the function g(x) = ?

A. The graph of g crosses the x-axis at x = 2. B. The function g has a local maximum at x = 2. C. The graph of g has an inflection point at x = 2. D. The function g has a local minimum at x = 2.

Mathematics

Solve the equation. - 2 = 

A. {8} B. no solution C. {-8} D. {8, -8}

Mathematics

Combine like terms when possible and write the polynomial in descending powers of the variable. Give the degree of the simplified polynomial. Decide whether the simplified polynomial is a monomial, a trinomial, or none of these.6x6 + 6x4 - 2x6

A. 10x4; 4; monomial B. 10x16; 16; monomial C. Cannot be simplified D. 4x6 + 6x4; 6; binomial

Mathematics

Identify the polygon.

A. rectangle B. quadrilateral C. pentagon D. hexagon

Mathematics