Domain and range of functions quiz

1.

Which of the following represents the domain of the function f( x ) = ln ( 1 − x ) ?

[1, infinity )

(1, infinity )

(−infinity, 1]

(−infinity , 1)

2.

Which interval gives the range of the function y = 5 + 2 cos 3 x ?

[2, 8 ]

[3, 7]

[4, 6]

[5, 9]

3.

Find the range of f(x) = -x^(2) + 6x + 5

(-infinity, 14]

[-infinity, -14]

(-infinity, 24]

(-14, infinity)

4.

Find the range of f(x) = -4x^(2) - 7x + 5

(-infinity, 129/16]

(-infinity, infinity)

(-infinity, 129/16)

[-129, infinity)