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Chapter 2: Q52. (page 61)

Find the value of f(x)=-3x+2 when x=2.

Short Answer

Expert verified

The value of f(x)=-3x+2 when x=2is-4.

Step by step solution

01

– Order of operations.

To evaluate any expression involving more than one operation, follow the below order of operations:

  • First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
  • Evaluate the exponents.
  • Perform Multiplication and division from left to right.
  • Perform addition and subtraction from left to right.
02

– Substitute the given value in the given function.

Substitute x=2in the function f(x).

f(2)=-3(2)+2

03

– Calculate the value by simplification.

f(2)=鈭�3(2)+2f(2)=鈭�6+2f(2)=鈭�4

Thus, the value of f(x)=-3x+2 when x=2is-4.

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Most popular questions from this chapter

Write each equation in standard form. Identify A, B and C.

12x+12y=6

Graph each equation or inequality.

鈥�鈥�f(x)=3x-1

The Jackson Band Boosters sell beverages for 1.75 and candy for 1.50 at home games. Their goal is to have total sales of 525 for each game.

59. If they sell 100 beverages and 200pieces of candy, will the Band Boosters meet their goal?

Graph each relation or equation and find the domain and range. Then determine whether the relation or equation is a function.

鈭�5,2,2,4,1,1,鈭�5,鈭�2

Determine whether each relation is a function. Write yes or no.
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