How does the national government help improve public health? A. It educates the public about healthy lifestyles and asks people to pursue them. B. It takes national-level issues to international organizations to resolve them. C. It declares standards for public health and writes policies to achieve those standards.

d. 9

step-by-step explanation:

in the table given in the picture, x is the input of the function and f(x) is the output on the given input. in the given table, it can be read as the value of function at -3 is it's respective value of f(x) which is -9.

as we have to find the value of f(3), we will see that what is the value of output on input 3. we can see in the table that the output value at x=3 is 9.

so, option d is the correct answer ..