Find (t) for the function given.

r(t) = 8i+sintj+costk


Mathematics

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Multiply and simplify.18 

A.
B. -162
C. -2
D. 2

Mathematics

Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.{0} ? U

A. False; the empty set is a subset of set U. B. False; {0} is not a subset of set U, because 0 is not an element of U. C. True D. False; 0 is an element of set U, not a subset.

Mathematics

Solve.A sidewalk is built seven bricks wide by laying each brick side by side. How many inches wide is the sidewalk if each brick measures 5 inches wide? 5 in.

A. 35 in.
B. 35 in.
C. 36 in.
D. 36 in.

Mathematics

By graphing the function, visually estimate its domain and range.t(x) = 

A. Domain: [4, ?); range: [4, ?) B. Domain: (-?, 4]; range: (-?, 4] C. Domain: (-?, ?); range: (-?, ?) D. Domain: (-?, 4]; range: [0, ?)

Mathematics