State the domain and range of the following inverse functions.
(a) y = sin^{−1}(x)
(b) y = cos^{−1}(x)
(c) y = tan^{−1}(x)

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y