1. Use this graph to answer the questions on the right. -10 10 -10 10 (a) Approximate the x and y intercepts of this function. (Write them as ordered pairs.) x-intercept(s) y-intercept(s) (b) Describe the intervals on which the function is increasing, decreasing, or constant. (Use interval notation. If there is none, write none.) Increasing Decreasing Constant (c) Give the domain and range for the graph. (Use interval notation.) Domain Range

1. Use this graph to answer the questions on the right. -10 10 -10 10 (a) Approximate the x and y intercepts of this function. (Write them as ordered pairs.) x-intercept(s) y-intercept(s) (b) Describe the intervals on which the function is increasing, decreasing, or constant. (Use interval notation. If there is none, write none.) Increasing Decreasing Constant (c) Give the domain and range for the graph. (Use interval notation.) Domain Range

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter8: Linear Functions

Section8.7: Function Notation

Problem 10E

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LIFE SCIENCE APPLICATIONS APPLY IT Splenic Artery Resistance Blood flow to the fetal spleen is of research interest because several diseases are associated with increased resistance in the splenic artery the artery that goes to the spleen. Researchers have found that the index of splenic artery resistance in the fetus can be described by the function y=0.057x0.001x2, where x is the number of weeks of gestation. Source: American Journal of Obstetrics and Gynecology. a. At how many weeks is the splenic artery resistance a maximum? b. What is the maximum splenic artery resistance? c. At how many weeks is the splenic artery resistance equal to 0, according to this formula? Is your answer reasonable for this function? Explain.
YOUR TURN 2 Find the intervals in which f(x)=x32x2+15x+10 is increasing or decreasing. Graph the function.
Use the graph of the function to find its domain and range. Write the domain and range in interval notation.
YOUR TURN Graph f(x)=x3+3x2+9x10.
Use the graph of the function f to find (a) the domain of f, (b) the function values f(0) and f(3) and (c) the range of f.