Which function is represented by the graph below?, Study notes of Algebra

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Read each question carefully. Which function is represented by the graph below? A) C) B) D)

Which function is represented by the graph below? A) C) B) D)

Which is the graph of the following function? A) C) B) D)

Which graph best represents the equation? y = x - 3 A) C) B) D)

Graph A Graph B Graph C Graph D

Which situation is best represented by the graph? A) C) B) D)

A $45,000 investment generated 1.2% interest for the last 10 years. A $15,000 investment generated 1.2% interest for the last 10 years. A $45,000 investment generated 12% interest for the last 10 years. A $15,000 investment generated 12% interest for the last 10 years. Which of the following sentences is true about the graphs of y = 2( x – 3)^2 – 6 and y = 2( x + 3)^2 + 6? A) C) B) D)

The graphs have the same vertices but different shapes. Their vertices are maximums. Their vertices are minimums. One graph has a vertex that is a maximum, while the other graph has a vertex that is a minimum.

What is the domain and range of the function shown on the graph below? A) C) B) D)

Domain: {all real numbers} Range: { y : y > - 3} Domain: {all real numbers} Range: { y : y > - 4} Domain: { x : x > - 3} Range: { y : y > - 4} Domain: { x : x > - 4} Range: { y : y > - 3} Which best describes how the graph will be affected when the quadratic equation y = 5 x^2 + 1 is changed to y = 3 x^2 + 1? A) C) B) D)

The graph moves down 2. The graph becomes wider. The graph becomes narrower. The graph moves up 3.

Which of the following equations is graphed below? A) C) B) D)

Does the table represent y as a function of x? A) C) B) D)

Yes, because for every x - value there is only one y - value. Yes, because for every y - value there is only one x - value. No, because there are two y - values for the same x - value. No, because there are two x - values for the same y - value.

Janice started a marathon 5 minutes after the starting gun went off and ran at a constant rate until the finish. Her split times are shown in the table below. Which equation represents the relationship between the number, n , of miles Janice ran and the time, t , in minutes that it took her to run them from the starting gun? A) C) B) D)

The population of bald eagles has increased linearly from 3,000 in 1990 to 6,500 in 2000. Which equation represents the population, p , of bald eagles t years after 1990? A) C) B) D)

p = 3,000 + 3,500 t p = 3,000 + 35 t p = 3,000 + 350 t p = 3,500 + 300 t

Which situation is best represented by the graph? A) C) B) D)

120, 70, 45, 32.5 is a pattern derived from the following formula. What is the value of the 5th term in the sequence? A) C) B) D)

Golf Club A charges $50 for a membership fee and $10 per round. Golf Club B charges $25 for membership and $15 per round. A) C) B) D)

It's less expensive to play at the first club. It's less expensive to play at the second club. If you play 5 rounds at either club, you will pay $100. If you play 6 rounds at either club, you will pay $150. 200, 105, 57.5, 33.75 is a pattern derived from the following formula. What is the value of the 5th term in the sequence? A) C) B) D)

A) C) B) D)

down 2 and 7 to the left down 2 and 7 to the right up 2 and 7 to the left up 2 and 7 to the right A) C) B) D)

down 5 and 5 to the left down 5 and 5 to the right up 5 and 5 to the left up 5 and 5 to the right

A) C) B) D)

up 3 and 3 to the left down 3 and 3 to the left up 3 and 3 to the right down 3 and 3 to the right Does the graph represent y as a function of x? A) C) B) D)

Yes, because for every x - value there is only one y - value. Yes, because for every y - value there is only one x - value. No, because there are two y - values for the same x - value. No, because there are two x - values for the same y - value.

Which equation does the graph represent? A) C) B) D)

y = - x + 1 y = x - 1 y = - x - 1 y = x + 1 What quantity should be added to both sides of this equation to complete the square? A) C) B) D)

What are the slope, x - intercept, and y - intercept of the line represented by the equation? x + 2 y = 5 A) C) B) D)

The following is the formula for finding the surface area of a sphere. Which equation shows the formula correctly solved for r? A) C) B) D)