Answer:
im am in grade 6
Step-by-step explanation:
sorry......... i apologize.
Normally it is x ininput and f(x)=y
solve for y and replace y with f(x)
minus 5x from both sides
2y=10-5x
divide both sides by 2
y=5-2.5x
f(x)=5-2.5x
Answer:
40
Step-by-step explanation:
the awnser is 40