Answer:
4 is the real number in that complex number
Answer:
y=5x+8
Step-by-step explanation:
because I really dont know how to explain it
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.
Answer:
40/100
Step-by-step explanation:
Part 2 is 12.5 cm represents 5km
I worked this out by doing a ratio
5cm=2km
?cm=5km
you have to do 2 times 2.5 to get 5km so you do 5 times 2.5 to get 12.5cm
so the answer is that 12.5cm