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Chapter 6: Q. 73 (page 698)

Evaluate 4-36xwhen:

(a)x=3

(b)x=0

(c)x=-1

Short Answer

Expert verified

(a) The value of the expression at x=3is -104.

(b) The value of the expression at x=0is 4.

(c) The value of the expression at x=-1is 40.

Step by step solution

01

Part (a) Step 1. Given information.

The given expression is:

4-36x

The given value is x=3.

02

Part (a) Step 2. Evaluate the expression for the given value.

Substitute x=3in the given expression.

4-36x=4-36(3)=4-108=-104

The value of the expression is -104.

03

Part (b) Step 1. Given information.

The given expression is:

4-36x

The given value is x=0.

04

Part (b) Step 2. Evaluate the expression for the given value.

Substitutex=0in the given expression.

4-36x=4-36(0)=4-0=4

The value of the expression is 4.

05

Part (c) Step 1. Given information.

The given expression is:

4-36x

The given value is x=-1.

06

Part (c) Step 2. Evaluate the expression for the given value.

Substitute x=-1in the given expression.

4-36x=4-36(-1)=4+36=40

The value of the expression is 40.

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