Functions and Composite Functions

What is the definition of a function?

• Has input and output

• x values and y values

• Input has different output everytime.

• Every input has only one output.

Answer explanation

In a function, there is only one output for an input.

• 9

• 7

• -9

• -7

Is this mapping a function?

• Yes, it is.

• No, it is not.

• I am not sure.

Given f(x)= 2x+4 , g(x)= 7x. Find F(g(x)).

• 14x+28

• 7x+4

• 14x+4

• 9x+11

True or False : f(x).g(x) is not a composite function.

• True

• False

• 9

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