Question

F(x)=|4x-100|
Find f(x)= -10

Answer 1

140

Explanation:

f(-10)= |4(-10)-100|

f(-10)=|-40-100|

f(-10)=|-140|

f(-10)=140

Answer 2

Ok, insert (-10) for x

Multiply (-10) and 4 (-40)

Change subtraction to addition of the opposite [(-40) + (-100)]

Your answer is -140

Hope this helps.