Concept explainers
Fill in each blank so that the resulting statement is true.
The expression
is called the ____________ of the function f. We find this expression by replacing x with ______ each time x appears in the function’s equation. Then we subtract ______. After simplifying, we factor ____ from the numerator and divide out identical factors of ____ in the numerator and denominator.
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Pearson eText College Algebra Essentials -- Instant Access (Pearson+)
- Fill in the blanks. Two functions f and g can be combined by the arithmetic operations of , , , and to create new functions.arrow_forwardLIFE 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.arrow_forward
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