Multiplying 20 by 320% is the same thing as multiplying 20 by 3.2, or 20(3.2)=64. Hope this helped!
3. If you have to find g(4), then you should substitute x=4 instead of x into the expression of the function
So:

Answer 3: correct choice is B.
4. If you have to find x such that h(x)=11,, then you should substitute 11 instead of h(x) into the expression of the function
So:

Answer 4: correct choice is A.
1.) C 2.) F 3.) E 4.) A 5.) D 6.)B 7.) i 8.) G 9.) J 10.) K 11.) L 12.) h hope this helps!!