Which of the following parent functions has a domain and range of all real numbers, excluding the origin (a) reciprocal (b) absolute value (c) quadratic (d) cubic

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Is the point (0, 8) on the x-axis or y-axis? how do you know?