1. Solve for the variable:
2. Solve for the variable and place the final answer in interval notation.
3. Write the equation of the line in slope-intercept form with the given characteristics:
a) Slope is and passes through the point (–6, 4).
b) Passes through the points (–1, 4) and (2, –2).
4. A publisher for a promising new novel figures fixed costs (overhead, advances,
promotion, copy, editing, typesetting, and so on) at $62,000 and variable costs (printing,
paper, binding, shipping) at $1.80 for each book produced. If the book is sold to
distributors for $13 each, how many must be produced and sold for the publisher to break
5. The revenue and cost functions for a company that manufactures components for washing
machines were determined to be: