The picture is completely black I’m not sure if that’s what you’re trying to fix but I think you didn’t uploads it correctly.
Answer:
D
Step-by-step explanation:
X is 21
z is the same as 111
y is 48
Replace all values of x as 4
f(4)=1/2(4)+5
f(4)=4/2+5
f(4)=2+5
f(4)=7
Hope I helped :)
That is called a constant
like 2,3,234234, -903
it doesn't have a placeholder
Answer:
1/6
Step-by-step explanation:
1/3 times 1/2 = 1/6