Question

Math help please? Giving brainliest and 25 points!!!!!!

Answer 1

Given:
for x=-4 and x=4, find value of f(x) if f(x) is piecewise defined as follows:
f(x)=x²  if x≤-4, and    ..........(1)
f(x)=sqrt(x) if x>1...............................(2)

f(-4)=x ² =(-4)^2= +4*4=+16    [ from (1) ]
f(4)=sqrt(x) =sqrt(4) = 2                  [ from (2) ]