Initial commit

functions.cpp

@@ -0,0 +1,29 @@
+#include <cmath>
+
+// 1.1     e^(x - 1) - x^3 - x
+double function_1(double x)
+{
+  return std::exp(x - 1) - std::pow(x, 3) - x;
+}
+
+
+// 1.2     1 / (3 + sin(3.6x))
+double function_2(double x)
+{
+  return 1 / (3 + std::sin(3.6 * x));  
+}
+
+
+// 1.3     arccos(x) - √(1 - 0.3x^3)
+double function_3(double x)
+{
+  return std::acos(x) - std::sqrt(1 - 0.3 * std::pow(x, 3));
+}
+
+
+// 1.9      0.25x^3 + x - 2 
+double function_9(double x)
+{
+  return 0.25 * std::pow(x, 3) + x - 2;
+}
+