Problem

f, space, prime, left parenthesis, x, right parenthesis, equals, start fraction, 16, divided by, x, start superscript, 2, end superscript, end fraction and f, left parenthesis, minus, 2, right parenthesis, equals, 0.
f, left parenthesis, 4, right parenthesis, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
Do 4 problems