View Compilation Error

0_0_39169546_22896.cpp: In function 'float F(float, float)':
0_0_39169546_22896.cpp:5:20: error: 'power' was not declared in this scope
    5 |         return 6 * power(x, 7) + 8 * power(x, 6) + 7 * power(x, 3) + 5 * power(x, 2) - y * x;
      |                    ^~~~~