Chapter 1.4, Problem 5QR

Determine the domain of the relation graphed below. e D(-4,5) 151 151 TA 161

-4 -2 -2 18. Write the formula of the function y whose graph is shown. y = 4 y = x-4 4. x+4

A transformation T:R² → R², T * →*. ,()-[]+[J]; i. Find the value of d for which P is the image of Q. is applied to the graph of f.

1. What is the equation of a line that passes through (0.5, 4.25) and (2, 18.5) and has a y-intercept of -0.5? 2. The graph shows the relationship of the number of gallons being drained from an aquarium over time. What function models the relationship? 80 60 40 20 O 2 4 6 8 Time (min) Water level (gal)

As more metal is extracted, the price goes up as shown in the graph given below. Check the statement(s) that accurately describe the graph. y 3x2 Hint: Substitute x = 2 to check the equation y 30 O(3,27) The graph represents a linear function. The graph represents a function. 0(2,12) The equation for the graph is y = 3x². 10 y can take all real values in this function. Quantity of metal extracted (tons) Price (in gold coins) 0000

Which sentence below best describes the relation between square footage and rent? O A. There appears to be a linear relation between square footage and rent. B. There appears to be a quadratic relation between square footage and rent. O C. There does not appear to be any relation between square footage and rent. (b) Based on your response to part (a), find either a linear or quadratic model that describes the relation between square footage and rent. Which equation below best describes the relation between square footage and rent? O A. R=0.976x² +0.166x+893 O C. R=0.166x² +0.000509x + 1214 E. R = 0.000509x + 1214 G. There is no relation. B. R=893x + 0.976 D. R=0.000509x² +0.166x + 1214 R=0.976x + 893 F. (c) Use the model you selected in part (b) to predict the rent of an apartment in the section that is 850 square feet. The predicted rent of an apartment with 850 square feet is about $ (Use the answer from part (b) to find this answer. Round to the nearest whole number as needed.)

Write an equation for the function

Use the table to write the linear function in the formf(x) = mx + b 7. %3D -8 -20 4. -6 f(x) 12

Determine the initial value of the quadratic relation y=7x²+2x-32. Enter a numeric value only.