Question

What is f(-3) if f(x) = |2x + 1| + 5?

A. 0
B. 10
C. 12
D. -10

Answer 1

\(\bf f({\color{brown}{ x}}) = |2{\color{brown}{ x}} + 1| + 5\qquad f({\color{brown}{ -3}})=|2{\color{brown}{ (\square ?)}} + 1| + 5\)

Answer 2

f(-3) = |2(-3) + 1| + 5
= | -5 | + 5
= 10

Perhaps?