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Chapter 1: Q20. (page 67)

If fx=5鈭�2xand gx=x2+7x,find each value.

g3

Short Answer

Expert verified

The value of the g3is30.

Step by step solution

01

Step 1. Given information.

We have a functiongx=x2+7x

To find the value of g3.

02

Step 2. Apply the concept.

We substitute the value of the x=3in the given function gxand find the value of g3.

03

Step 3. Calculation.

Substitute x=3in the function gx=x2+7x

role="math" localid="1641980588681" g3=32+7脳3

鈬�g3=9+21

鈬�g3=30

Hence, the value of the g3is 30.

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