1. What are the approximate coordinates of the point of intersection of the two graphs? What does this mean in terms of the two mold populations?
2. The area of mold A is given by the function A(d) = 100 - €0.25d. When will this mold
cover 1000 square millimeters? Fynlain you

Select the quadratic that has root x = 8 and x = -5

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?