Atmospheric pressure, P, measured in inches of Hg can be modeled as a function of height, h, measured in miles above sea level, as P(h)=14.7e−0.21h{“version”:”1.1″,”math”:”P(h) = 14.7e^{-0.21h}”} At what height above sea level can we expect pressure to be approximately 7 in Hg?

Find the domain of  ( x − 4 ) ( x + 5 ) ( x − 3 ) {“version”:”1.1″,”math”:”\frac {(x-4)(x+5)} {(x-3)}”}

The population, P, of certain bacteria is growing exponentially according to the model P(t) = {A}(1.035)t, where t is the number of hours after 1 pm. What is the initial population in this model?

Solve the equation log{b}x = {k}

During an 18 month period, the price of a certain stock could be modeled by P(t) = {A}(0.96)t, where t is the number of months since the start of the period.  What was the initial price of the stock?

Jim rewrote the radical expression  x 3 6 {“version”:”1.1″,”math”:”\sqrt {x^3}”} as x2. Is he correct?

Find the slope of the line going through points A(2, {b}) and B(3, {d}).

For the exponential function y = 200(2)x , when x increases by 3, how does y change?

Which of the following is a vertical asymptote of f(x) = ln(x – 4)?

Solve the equation 22x-{k} = 8