Question 903555


a. {{{h(t) = t^2 + 2t}}} ;    

if {{{t = -1}}} , than

{{{h(-1) = (-1)^2 + 2(-1)}}}

{{{h(-1) = 1 - 2}}}

{{{h(-1) =  - 1}}}


if {{{t = 5}}}, than

{{{h(5) = (5)^2 + 2(5)}}}

{{{h(5) = 25 +10}}}

{{{h(5) =  35}}}




b. {{{g(x) = 1/x}}};    {{{x = 5}}}, {{{x = a}}}

if {{{x = 5}}}, than

{{{g(5) = 1/5}}}    


if {{{x = a}}}, than

{{{g(a) = 1/a}}} 

   
c. {{{f(t) = 6/t}}};    {{{t = a}}}, {{{t = a + h}}}


if {{{t = a}}}, than

{{{f(a) = 6/a}}}   


 if {{{t = a+h}}}, than

{{{f(a+h) = 6/(a+h)}}}