Need asap find the range of each function for the given domain. 3. f(x) = -2x + 1; {-6, -2, 0} 4. f(x) = x3 + 1; {-2, -1, 3} tell whether the sequence is arithmetic or not. if the sequence is arithmetic, write a function rule to represent it. 5. -19, -11, -3, 5, . . . 6. write a function rule for the area of a rectangle whose length is 5 in. more than its width. what is the area of the rectangle when its width is 8 in.?