Graphs, MET2 2021 VCAA 4 MC The maximum value of the function `h : [0,2] -> R, \ h(x) = (x - 2)e^x` is `-e` `0` `1` `2` `e` Show Answers Only `B` Show Worked Solution `text{Graph} \ \ y = (x – 2)e^x \ \ text{by CAS:}` `text{Maximum value occurs at} \ \ x = 2` `h(x)_max` `= (2-2) e^2` `= 0` `=> B`
Algebra, MET2 2008 VCAA 17 MC The graph of the function `f(x) = e^(2x) - 2` intersects the graph of `g(x) = e^x` where `x = -1` `x = log_e(2)` `x = 2` `x = (1 + sqrt 7)/2` `x = log_e((1 + sqrt 7)/2)` Show Answers Only `B` Show Worked Solution `text(Intersect when:)` `e^(2x) – 2 = e^x` `:. x = log_e(2)\ \ \ text{(By CAS)}` `=> B`