Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
6. Formalizing Relations and Functions
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Exercise 3 Page 271

f(2) means that we are going to calculate the function's value when x=2.

9

Practice makes perfect

To find the value of f(2) we substitute 2 for x into the function and evaluate.

f(x)=4x+1
f( 2)=4( 2)+1
f(2)=8+1
f(2)=9