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Chapter 2: Q53. (page 61)

What is g(4) if g(x)=x2-5.

Short Answer

Expert verified

The value of g(4) is 11

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=4in the function g(x).

g(4)=(4)2-5

03

– Calculate the value by simplification.

g(4)=(4)2鈭�5g(4)=16鈭�5g(4)=11

Thus,the value of is 11.

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Most popular questions from this chapter

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 525for each game.

56. Write an equation that is a model for the different numbers of beverages and candy that can be sold to meet the goal.

62. Which function is linear

(A)f(x)=x2

Bgx=2.7

(C)g(x)=x鈭�1

(D)f(x)=9鈭�x2

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

y=2x+1

State whether each equation or function is linear. Write yes or no. If no, explain your reasoning.


y=2x-5

In an election, a total of 4000 votes were cast for three candidates, A, B and C. Candidate C received 800 votes. If candidate B received more votes than candidate C and candidate A received more votes than candidate B, what is the least number of votes that candidate A could have received?
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