Use the graph of the function provided to find the indicated values.

 h(x)\displaystyle {h}{\left({x}\right)} 

a. h(4)=\displaystyle {h}{\left(-{4}\right)}=   

b. h(1)=\displaystyle {h}{\left(-{1}\right)}=   

c. h(x)=4\displaystyle {h}{\left({x}\right)}={4} , x=\displaystyle {x}=   

d. h(x)=2\displaystyle {h}{\left({x}\right)}=-{2} , x=\displaystyle {x}=