For y = 3x - 2x2 +5x3, show how to find the value for y, when x = 3. Show your work
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Graphs and functions are used to show relationships between variables.
The term "graph" as used in this question represents functions. There are several types of functions, some of them are:
- Linear
- Power
- Quadratic
- Polynomial
The question is incomplete, so I'll give a general explanation of how to identify the graph
Linear function:
This is represented by a straight line, and the equation is
Power function
This is when a variable is raised to the power of a fixed number. It is represented as:
Quadratic Function
A quadratic function has the form:
Polynomial function
A polynomial function is a function where the exponents of the variable are non-negative. The form of a polynomial function is:
There are several other functions (sinusoidal, constant, inverse, rational functions, etc.)
Compare the missing graph of this question to the attached graphs (see attachment), to determine the graph type.
Read more about graphs and functions at:
