The figure shows the graph of: f(x) = (6x-10)/(2x-a) Find the value of a. Choices are 2, 3, 4, or 6
Follow Math Help Forum on Facebook and Google+
Originally Posted by wvmcanelly@cableone.net The figure shows the graph of: f(x) = (6x-10)/(2x-a) Find the value of a. Choices are 2, 3, 4, or 6 the graph is undefined when x = 2 as we can see from the picture. it means the denominator is zero when x = 2 so we must have 2(2) - a = 0 => a = 4
At x=2 we have a vertical asymptote so the denoimator is zero there. Hence 2x - a =0 at x=2 thus 4 - a =0 hence a =4
View Tag Cloud