Question

A valve on a storage tank is opened for 4 hours to release a chernical in a manufacturing process. The flow rate R (in liters per hours) at a time t (in hours) is given in the table. t0 1 2 3 4 RI 426 242|117|72 36 (a) Use the linear regression capabilities of a graphing utility to find a linear model for the points (t, In(R)). Write the resulting equation of the form In(R)a coetficients to four decimal places.) b in exponential form. (Round your (b) Use a graphing utility to plot the data and graph the exponential model. 400 400 300 300 200 200 100 100

Answer 1

911. 32 2. 4L b = 6.062.

6 062 0,56 ウ | R- 423.25 e cf S60 400 34S ,7 2 2