No, a function can only have one variable.
Question 4 is C and im not sure about the other questions
The graph passes through the points (2,1) and (4,2) and the graph lies to the right of the y-axis
<h3>How to determine the properties of the graph?</h3>
The form of the equation is given as:

Let a = 2.
So, we have:

Next, we plot the graph of the function f(x) (see attachment)
From the attached graph, we have the following highlights:
- The graph passes through the points (2,1) and (4,2)
- The graph lies to the right of the y-axis
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Answer:


Step-by-step explanation:
Since we are not given any options so we will start with the general case.
The equation of such a graph can be modeled as

This graph is symmetrical around the origin, but in the attached diagram, the graph is shifted in the x-axis as well as in the y-axis,

Where the variable a shifts the graph to the right of x-axis when a is positive, when it is negative it shifts the graph to the left that is negative x-axis.

The variable b shifts the graph upward in the positive y-axis when b is positive, when it is negative it shifts the graph to the bottom that is negative y-axis.
Since in the attached diagram, the graph is in the positive x-axis and y-axis, therefore, a and b must be positive and can be estimated as

The graph of the above expression is attached and it looks very similar to the given graph.
The dual edition is 4 Bc (x+12 is the deart math of female so the answer is
44