Question

Can someone help with a few word problems?
George tells you that when variables are in the denominator, the equation becomes unsolvable. "There is a value for x that makes the denominator zero, and you can't divide by zero," George explains. Using complete sentences, demonstrate to George how the equation is still solvable.

Answer 1

2.
Jennifer was graphing a function and noticed that at certain points, the graph reaches invisible lines the graph will never cross. Explain to Jennifer what the two types of invisible lines are and how to predict them. You may create your own example to aid in your reasoning

3.
When looking at a rational function, Bella and Edward have two different thoughts. Bella says that the function is defined at x = −1, x = 2, and x = 4. Edward says that the function is undefined at those x values. Describe a situation where Bella is correct, and describe a situation where Edward is correct. Is it possible for a situation to exist where they are both correct? Justify your reasoning.

4.
Shawn and Ellie are construction workers. Shawn can complete a concrete job in 4 hours, while Ellie can complete it in 6 hours. The foreman says that it will take them 5 hours to complete it if they work together. Explain each step in solving this equation, and determine if the foreman is correct or not

5.
Harry can rake the leaves in the yard 8 hours faster than his little brother Jimmy can. If they work together, they can complete the job in 3 hours. Using complete sentences, explain each step in figuring out how to determine the time it would take Jimmy to complete this job on his own.

Answer 2

for number 3 its Bella says that the function is defined at x = −1, x = 2, and x = 4

Answer 3

I figured out everything but numbers 3 and 5

Answer 4

@ShadowLegendX, @some.random.cool.kid

Answer 5

yes?

Answer 6

Can you assist with number 3 & 5 ? They are somewhat confusing.