Find the circumference of the circle. Use 3.14 or  for ? as indicated.Use 3.14 for ?.

A. 25.748 mi
B. 52.783 mi
C. 12.874 mi
D. 6.437 mi


Answer: C

Mathematics

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Identify a technique of integration for evaluating the integral. If necessary, explain how to first simplify the integrand before applying the suggested technique of integration. You do not need to evaluate the integral.

A. Integrate by parts with u = 1-cot x, dv = csc2x dx B. Integrate by parts with u = csc2x, dv = (1 - cot x) dx C. Substitute, letting u = 1-cot x D. Substitute, letting u = csc2x

Mathematics

Calculate the area of the surface S.S is the portion of the cylinder x2 + y2 = 9 that lies between z = 3 and z = 6.

A. 27? B. 18? C. 9? D. 54?

Mathematics

Classify the following as the equation of a parabola, a circle, an ellipse, or a hyperbola.5x2 + 3x - 8 - y = 0

A. Ellipse B. Parabola C. Hyperbola D. Circle

Mathematics

Sketch the graph of f(x). Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = ex - 5

A. Domain: (-?, ?), range: (-5, ?)
Horizontal asymptote: y = -5

B. Domain: (-?, ?), range: (5, ?)
Horizontal asymptote: y = 5

C. Domain: (-?, ?), range: (-?, 5)
Horizontal asymptote: y = 5

D. Domain: (-?, ?), range: (-5, ?)
Horizontal asymptote: y = -5

Mathematics