The monthly sale (in thousands of units) for the tth month after the introduction of a product in the market is given by S = 135t/(t2 + 50). In
which earliest month would the sale (S) have been 9?
5th

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.