Answer:
-3
Step-by-step explanation:
f(x)=-2x+7
f(5)=-2×5+7
=-10+7
=-3
Answer: A reasonable estimate of the minimum is 20.
What do you need what is the question
You need to apply "Proportionality theorem" here:
LM / AB = LN / AC
35 / 5 = LN / 7
LN = 7 * 7
LN = 49
In short, Your Answer would be 49 cm
Hope this helps!