it literally gave you the equation lol
y= 6x + 1/2
20 markers are needed to cover the 10 kilometers.
Hello,
Let's suppose f(x)=3x+7
f(a-1)=3(a-1)+7=3a-3+7=3x+4
Answer B with a sign "++++++++++++++++++++++++++++"
Answer:
c is the answer
Step-by-step explanation:
solution




therefore the equation is not true