函数的调用问题刚入门不费,康康哪里有问题

(1)设f(x) = xx + x/2.1–8;g(x) = 2f(x) – 3.5f(2x) + 5.5;编程序,对x=-5,-4,-3,…,3,4,5,计算各g(x)之值并输出这11个计算结果。

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```c
#include <stdio.h>

float f(int x) {

    return x *x + x / 2.1 - 8 ;

}

float g (int x ) {
    return 2 * f(x) - 3.5 * f(2*x) + 5.5 ;
}

int main(){

    int x ;
    
    for (x=-5 ; x<=5; ++x){
        printf("当x=%d, g = %f\n", x, g(x));
    }

}

```