Which properties are present in a table that represents a logarithmic function in the form when ? i. The y-values are always increasing or always decreasing. Ii. The point (0, 1) exists in the table. Iii. The y-values will decrease rapidly as the x-values approach zero. Iv. There will only be one x-value in the table with a y-value of zero. I only i and ii only i, iii, and iv ii and iii only

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b