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Chapter 2: Q14. (page 101)

Find each value if fx=5x-9

f-2

Short Answer

Expert verified

The value of f-2 is -19.

Step by step solution

01

– Putting value of x

We will put -2 in place of xto determine the value of the function.

02

– Simplifying the given function

As, we have:

fx=5x-9

We will put x=-2:

f鈭�2=5鈭�2鈭�9f鈭�2=鈭�10鈭�9f鈭�2=鈭�19

03

– Determining the final answer 

f-2=-19

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