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Chapter 1: Q4C. (page 48)

For f(x)=2x−3find each value

f(-2)

Short Answer

Expert verified

The valuef(−2) is –7.

Step by step solution

01

Step 1. From question.

The given expression isf(x)=2x−3

02

Step 2. To find.

Find the value of f(−2)iff(x)=2x−3

03

Step 3. Evaluation.

Putting x=–2if f(x)=2x−3, we get,

f−2=2−2−3=−4−3=−7

Hence, the value of f(−2)if fx=2x−3 is –7.

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