f(-4) This means that x is -4, so you can plug in -4 for "x" in the equation
f(x) = 5x + 5
f(-4) = 5(-4) + 5
f(-4) = -20 + 5
f(-4) = -15
Answer:
yup -15 is 100% correct
Step-by-step explanation:
When ever u haave a math problem use M a Th way
