Let the function f be defined by f(x)=5x-2a , where a is a constant. If f(10)+f(5)=55, what is the value of a? How do you do this?
Follow Math Help Forum on Facebook and Google+
Er, never mind, figured it out. :P
Note that . But This means that . Which means that . But . You can solve for from the last two equations. What did you get?
Originally Posted by guildmage Note that . But This means that . Which means that . But . You can solve for from the last two equations. What did you get? 5.
That's correct.
View Tag Cloud