All 100 targets have a solution.
\(1 = 49^{4 - 4 }\)
\(2 = \frac{ 44 }{ 4 } - 9 \)
\(3 = \frac{ 9 }{ 4 - \frac{ 4 }{ 4 } }\)
\(4 = \frac{ 44 }{ \sqrt{4} + 9 }\)
\(5 = 49 - 44 \)
\(6 = \sqrt{49} - \frac{ 4 }{ 4 }\)
\(7 = \sqrt{44 - 4 + 9 }\)
\(8 = 44 - 4 \cdot 9 \)
\(9 = 4 \cdot 4 - \sqrt{49 }\)
\(10 = \sqrt{49 \cdot 4} - 4 \)
\(11 = 44 - 4! - 9 \)
\(12 = ( \sqrt{49} - 4 ) \cdot 4 \)
\(13 = \frac{ 44 }{ \sqrt{4} } - 9 \)
\(14 = \frac{ 44 }{ 4 } + \sqrt{9 }\)
\(15 = \sqrt{49} + 4 + 4 \)
\(16 = \frac{ 44 + 4 }{ \sqrt{9 } }\)
\(17 = \frac{ 44 }{ 4 } + \sqrt{9 }!\)
\(18 = \sqrt{49 \cdot 4} + 4 \)
\(19 = \frac{ 44 }{ \sqrt{4} } - \sqrt{9 }\)
\(20 = \frac{ 44 }{ 4 } + 9 \)
\(21 = \sqrt{444 - \sqrt{9 }}\)
\(22 = \frac{ 44 }{ \sqrt{9}! - 4 }\)
\(23 = 4 \cdot 4 + \sqrt{49 }\)
\(24 = \sqrt{49} \cdot 4 - 4 \)
\(25 = \frac{ 44 }{ \sqrt{4} } + \sqrt{9 }\)
\(26 = 44 - \sqrt{4} \cdot 9 \)
\(27 = ( 4 - \frac{ 4 }{ 4 } ) \cdot 9 \)
\(28 = \sqrt{49 \cdot 4 \cdot 4 }\)
\(29 = 44 - 4! + 9 \)
\(30 = \sqrt{49} \cdot 4 + \sqrt{4 }\)
\(31 = 44 - 4 - 9 \)
\(32 = 44 - 4 \cdot \sqrt{9 }\)
\(33 = 49 - 4 \cdot 4 \)
\(34 = 44 - 4 - \sqrt{9 }!\)
\(35 = 4 \cdot 9 - \frac{ 4 }{ 4 }\)
\(36 = ( 4 - 4 + 4 ) \cdot 9 \)
\(37 = 44 - \sqrt{49 }\)
\(38 = 44 - \sqrt{4 \cdot 9 }\)
\(39 = 44 + 4 - 9 \)
\(40 = ( \frac{ 4 }{ 4 } + 9 ) \cdot 4 \)
\(41 = 49 - 4 - 4 \)
\(42 = 44 + 4 - \sqrt{9 }!\)
\(43 = 44 - 4 + \sqrt{9 }\)
\(44 = ( 4 - \sqrt{9} ) \cdot 44 \)
\(45 = 44 + 4 - \sqrt{9 }\)
\(46 = 44 - 4 + \sqrt{9 }!\)
\(47 = 49 - 4 + \sqrt{4 }\)
\(48 = 49 - \frac{ 4 }{ 4 }\)
\(49 = 44 - 4 + 9 \)
\(50 = 94 - 44 \)
\(51 = 44 + \sqrt{49 }\)
\(52 = 4 \cdot 4 + 4 \cdot 9 \)
\(53 = \sqrt{4 \cdot 4} + 49 \)
\(54 = 44 + 4 + \sqrt{9 }!\)
\(55 = 44 + \sqrt{4} + 9 \)
\(56 = 4 \cdot \sqrt{9} + 44 \)
\(57 = 44 + 4 + 9 \)
\(58 = ( \sqrt{4} + 4 ) \cdot 9 + 4 \)
\(59 = 44 + 4! - 9 \)
\(60 = ( 44 - 4! ) \cdot \sqrt{9 }\)
\(61 = \frac{ 4! }{ \sqrt{4} } + 49 \)
\(62 = \sqrt{4} \cdot 9 + 44 \)
\(63 = \frac{ 4 + 4! }{ 4 } \cdot 9 \)
\(64 = 4^{\sqrt{49} - 4 }\)
\(65 = 4 \cdot 4 + 49 \)
\(66 = 94 - 4! - 4 \)
\(67 = 4 \cdot 4 \cdot 4 + \sqrt{9 }\)
\(68 = ( 4 + 4 + 9 ) \cdot 4 \)
\(69 = 49 - 4 + 4 !\)
\(70 = ( 44 - 9 ) \cdot \sqrt{4 }\)
\(71 = 44 + 4! + \sqrt{9 }\)
\(72 = ( \sqrt{49} - 4 ) \cdot 4 !\)
\(73 = 4 \cdot 4 \cdot 4 + 9 \)
\(74 = \frac{ 444 }{ \sqrt{9 }! }\)
\(75 = 49 + \sqrt{4} + 4 !\)
\(76 = ( 9 - 4 )! - 44 \)
\(77 = 44 + 4! + 9 \)
\(78 = 94 - 4 \cdot 4 \)
\(79 = 44 \cdot \sqrt{4} - 9 \)
\(80 = 4 \cdot 9 + 44 \)
\(81 = ( \sqrt{49} - 4 )^{4 }\)
\(82 = ( 44 - \sqrt{9} ) \cdot \sqrt{4 }\)
\(83 = 4 \cdot 4! - 4 - 9 \)
\(84 = \frac{ 4^{4} - 4 }{ \sqrt{9 } }\)
\(85 = 44 \cdot \sqrt{4} - \sqrt{9 }\)
\(86 = 94 - 4 - 4 \)
\(87 = \sqrt{4 \cdot 4} \cdot 4! - 9 \)
\(88 = 94 - 4 - \sqrt{4 }\)
\(89 = 4 \cdot 4! - \sqrt{49 }\)
\(90 = ( 49 - 4 ) \cdot \sqrt{4 }\)
\(91 = 44 \cdot \sqrt{4} + \sqrt{9 }\)
\(92 = 94 - 4 + \sqrt{4 }\)
\(93 = 44 + 49 \)
\(94 = 94 - 4 + 4 \)
\(95 = \frac{ 4 }{ 4 } + 94 \)
\(96 = 94 - \sqrt{4} + 4 \)
\(97 = 44 \cdot \sqrt{4} + 9 \)
\(98 = \frac{ 49 \cdot 4 }{ \sqrt{4 } }\)
\(99 = \frac{ 44 }{ 4 } \cdot 9 \)
\(100 = ( 49 - 4! ) \cdot 4 \)