Function Notation — Cumulative exam Answers

The table represents a function.

The histogram shows the duration, in minutes, of movies in theaters.

Which relationships could have a negative correlation? Select three options.number of hours worked and free timespeed of a car and minimum stopping distancethe speed of a train and the length of time to reach the destinationadult’s head circumference and agea tadpole’s age and the length of it’s tail

The table shows the maze-completion times, in seconds, of two sets of mice in an experiment. Which statement is true about the variability of the group times?

Day and Night Kennel charges $20 per day plus a one-time food fee of $15 to board a pet. Bark Time Hotel charges $30 per day plus a one-time food fee of $5. Which system represents this real-world situation?

Which table shows no correlation?

Graph the function y = |8 - 2x| + 3. Which is a point on the function?

The box plots show the distributions of weights of cucumbers and zucchini collected from a garden. Which statement explains the best measure of variability to use to compare the data sets?

Mr. Walker is looking at the fundraiser totals for the last five years.

How many solutions does this linear system have?y = x+ 2 6x – 4y = –10

The box plot compares Marta’s and Ani’s diving scores in the first several meets of the season.Based on the data in the box plots, what is the best evidence to show which diver had greater overall success during the meets so far this season?

Manny has 48 feet of wood. He wants to use all of it to create a border around a garden. The equation can be used to find the length and width of the garden, where l is the length and w is the width of the garden. If Manny makes the garden 15 feet long, how wide should the garden be?

According to the scatterplot below, which statement is correct?

The data set represents the number of rings each person in a room is wearing.0, 2, 4, 0, 2, 3, 2, 8, 6What is the interquartile range of the data?

When a number is added to of itself, the result is 24. The equation that models this problem is n + n = 24. What is the value n?

Shannon graphed the system of equations.7x – 4y= –8y = x – 3What is the closest approximate solution to the system of equations?

The table below shows the population and the number of representatives in Congress for the selected states. State CA NY TX FL NC IN AL Population (in millions) 29.8 18.0 17.0 12.9 6.6 5.5 4.0 Representatives 52 31 30 23 12 10 7 If you were to make a scatter plot of the data, you would be able to determine the line of best fit. Using the regression equation , predict the number of representatives for Oregon, which has a population of about 3.3 million. a. 5 representatives b. 6 representatives c. 7 representatives d. 28 representatives Please select the best answer from the choices provided

On a coordinate plane, a v-shaped line crosses the x-axis at (negative 2, 0), the y-axis at (0, negative 2), and the x-axis at (2, 0).

The potential energy, P, in a spring is represented using the formula P = kx2. Lupe uses an equivalent equation, which is solved for k, to determine the answers to her homework.