Find area of figure. Round to the nearest hundredth if necessary.(Use 3.1 4 for ? .)

A. 33.59 in.2
B. 59.87 in.2
C. Not enough data
D. 40.64 in.2


Answer: D

Mathematics

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = -3x + 9y

A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines  c > 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines  c ? 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines  c ? 0
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 

Mathematics

Use the appropriate Taylor polynomial of degree 3 at x = 0 to approximate the quantity. Round the answer to four decimal places.ln 1.29

A. 1.2561 B. 0.1991 C. 0.0511 D. 0.2561

Mathematics

Simplify.

A. 15x2
B. 5x
C. 5x2
D. 15x

Mathematics

Find the union.{1, 2, 8, 12} ? {m, n}

A. ? B. {1, 2, 8, 12, m, n} C. {1, 2, 8, 12} D. {m, n}

Mathematics