Example...
If x=5, then what is the f(x) [f(x) means function of x]?
A: 11
B: 12
C: 13
D: 14
The answer is A. You take the number you were given, multiply it by 2, then add 1. With 5, you would to 2*5+1=11. With 3, do 2*3+1=7. With 9,do 2*9+1=19.
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The first part of the question is false, and the correct answer is that an even function of minus x equals the function positive x. This follows from the very definition of an even function. The second part of the question is false, because the truth is that the composite function results from taking the function of x within the function g.
y = cuberoot(x) for real x is not a rational function.
You have Y and you have X. F=function. Y is already a function of X because here's another way you write Y: F(X). So instead of putting Y you out F(X) which meanf "F or X" or "function of X".
It is an increasing odd function.
It means that the value of the function at any point "x" is the same as the value of the function at the negative of "x". The graph of the function is thus symmetrical around the y-axis. Examples of such functions are the absolute value, the cosine function, and the function defined by y = x2.