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Chapter 4: Q49. (page 158)

Find each value if fx=x2-3x+2.

f-3

Short Answer

Expert verified

The value of f-3 is 20.

Step by step solution

01

– Description of step.

Compare f-3 to fx.

By comparing f-3 to fx, it can be concluded that the value of x is -3.

02

– Description of step.

Substitute -3 for x into fx=x2-3x+2.

f-3=-32-3-3+2

03

– Description of step.

Simplify the equation obtained in step 2 to find the value of f-3.

f鈭�3=9+9+2=18+2=20

Therefore, the value off鈭�3 is 20.

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Most popular questions from this chapter

Solve each equation.

4xy-1=11+3yx

Use matrices A, B, and C to find the following.

A=2356,B=鈭�1704,C=9鈭�4鈭�65

A+B+C

Determine whether each matrix product is defined. If so, state the dimensions of the product.R1脳4鈰�S4脳5

What is the value of yif 3xy+5=9+yx?

A. 2 B. 4 C. -3 D. localid="1648213664321" -1

Determine whether each matrix product is defined. If so, state the dimensions of the product.

A3脳1鈰�B1脳5
See all solutions

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