
How do you graph the function y = logx?
Answer
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Hint: In this question, we need to graph the function y = logx. Since no base is given so we will consider it as 10 and draw the graph for . For this, we will first find the asymptote of function by putting the argument of the function (angle of the log) as zero. The graph will run along the asymptote. After that, we will take some values of x and find values of y to find points that can be drawn on the graph. Using these points we will draw a smooth curve and obtain the required graph.
Complete step by step answer:
Here we are given the function as y = logx. We need to plot a graph for this function. Here we are not given any base for logarithm so we will assume the base as 10 and draw the graph for .
Let us first find the equation of the line of asymptote so that we properly graph our function running along the asymptote.
For finding asymptote we need to put the argument of the logarithm as zero (angle of the log). Here we have x = 0.
So equation of asymptote is x = 0.
Now let us find some points to plot.
For x = 1 we have .
For x = 2 we have .
For x = 10 we have .
For we have .
For we have .
For we have .
Our point table becomes
Plotting these points on the graph and taking care of asymptote our graph looks like this,
Note:
Students should note that x cannot be negative. Also, log0 does not exist. Take care while plotting the points on the graph. If the base of the logarithmic function is different our graph changes. The general shape remains the same.
Complete step by step answer:
Here we are given the function as y = logx. We need to plot a graph for this function. Here we are not given any base for logarithm so we will assume the base as 10 and draw the graph for
Let us first find the equation of the line of asymptote so that we properly graph our function running along the asymptote.
For finding asymptote we need to put the argument of the logarithm as zero (angle of the log). Here we have x = 0.
So equation of asymptote is x = 0.
Now let us find some points to plot.
For x = 1 we have
For x = 2 we have
For x = 10 we have
For
For
For
Our point table becomes
x | 1 | 10 | |||
y | -3 | -2 | -1 | 0 | 1 |
Plotting these points on the graph and taking care of asymptote our graph looks like this,

Note:
Students should note that x cannot be negative. Also, log0 does not exist. Take care while plotting the points on the graph. If the base of the logarithmic function is different our graph changes. The general shape remains the same.
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