The function ( f(x) = -3x + 6 ) is a linear function. Its domain is all real numbers, expressed as ( (-\infty, \infty) ). The range is also all real numbers, as linear functions can take any value depending on the value of ( x ). Therefore, both the domain and range are ( (-\infty, \infty) ).
The range is the all the possible y-values for the function. f(x)=2-3x does not have any points where it is undefined because it is a linear function ( a line). The answer is all real numbers or (-infinity,infinity)
It is -12.8, -6.4, 0, 6.4 and 12.8
The function ( f(x) = \log_2(3x + 4) ) has a range of all real numbers. As ( x ) approaches (-\frac{4}{3}) from the right, ( f(x) ) approaches negative infinity, and as ( x ) increases, ( f(x) ) approaches positive infinity. Therefore, the range is ( (-\infty, \infty) ).
The domain can be anything you like: a single element, all real numbers, all complex numbers, etc.
fx=3x-5 f=(3x-5)/x f2=(6x-10)/x /=divide
The range is the all the possible y-values for the function. f(x)=2-3x does not have any points where it is undefined because it is a linear function ( a line). The answer is all real numbers or (-infinity,infinity)
It is -12.8, -6.4, 0, 6.4 and 12.8
f(x) = 8x - 4x2 - 5x - 36 = -4x2 + 3x - 36 The domain for f(x) can be the whole of the Complex field or any subset.
The function ( f(x) = \log_2(3x + 4) ) has a range of all real numbers. As ( x ) approaches (-\frac{4}{3}) from the right, ( f(x) ) approaches negative infinity, and as ( x ) increases, ( f(x) ) approaches positive infinity. Therefore, the range is ( (-\infty, \infty) ).
B- It is a many-to-one function
The graph of the function f(x) = 4, is the horizontal line to the x=axis, which passes through (0, 4). The domain of f is all real numbers, and the range is 4.
The domain can be anything you like: a single element, all real numbers, all complex numbers, etc.
fx=3x-5 f=(3x-5)/x f2=(6x-10)/x /=divide
-18
If it were written in a book of some sort, fx or f(x) is read aloud as "f or x". "f" is a function of some variable, "x". By function it means something happens to x e.g. x2 or 3x+4.
The function f(x) = 3x + 2 can take any real value, so the question does not seem to make any sense.
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