Question

What is f(-5) if f(x) = |2x-1| +10

Answer 1

`f(-5)=|2\cdot(-5)-1|+10=|-10-1|+10=|-11|+10=11+10=21`

Answer 2

plug -5 into equation: |2(-5)-1|+10

multiply: |-10-1|+10

subtract: |-11|+10

simplify: 11+10

add: 21