y = ax, where a is some constant, is an exponential function in x
y = xa, where a is some constant, is a power function in x
If a > 1 then the exponential will be greater than the power for x > a
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A polynomial equation of order >1 that is, where the power of the variable is greater than 1 is a non linear function. A transcendental function is one that cannot be expressed as a finite number of algebaraic operations (addition, multiplication, roots). The exponential and trigonometric functions (and their inverses) are examples.
A linear equation is one in which the variable is raised to the first power (i.e. x, not x squared or x cubed or anything else). An example would be y = mx + c. In an exponetial equation the variable is part of the exponent, e.g. y = 3^x + c.
no it is a polynomial. exponential is a number to the x power (3^x)
2 to power 9
2 with a power of 2x 5 with a power of 2