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Chapter 3: Q. 3.95 (page 322)

For the function fx=3x2-2x+1, evaluate the function.

  1. f3
  2. f-1
  3. ft

Short Answer

Expert verified

Part (a) f3=22

Part (b) f-1=6

Part (c)ft=3t2-2t+1

Step by step solution

01

Part (a) Step 1.

The function is:

fx=3x2-2x+1

Substitute x=3in fx,

localid="1644632386157" f3=332-23+1=27-6+1=22

02

Part (b) Step 1.

Substitute x=-1in localid="1644632583385" fx=3x2-2x+1,

localid="1644632500531" f-1=3-12-2-1+1=31+2+1=6

03

Part (c) Step 1.

Substitute x=tin localid="1644632569309" fx=3x2-2x+1,

localid="1644632550558" role="math" fx=3t2-2t+1=3t2-2t+1

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