# How do you find #f(-1/2)# given #f(x)=-3+4x#?

##### 2 Answers

Mar 14, 2018

#### Explanation:

Mar 14, 2018

#### Explanation:

#"to evaluate "f(-1/2)" substitute "x=-1/2" into "f(x)#

#f(color(red)(-1/2))=-3+(4xxcolor(red)(-1/2))#

#color(white)(xxxxxx)=-3-2=-5#