1 2 3 4 5 6 7 8 9 10 11 | #include <stdio.h> int main(void) { double x = 2.0; double y; y = 3.0*x*x + 7.0*x + 9.0; printf("y=3.0*x*x + 7.0*x + 9.0=%f \n", y); return 0; } | cs |