APPLICATIONS IN MATH A



APPL IN SEQ MATH NAME________________________

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BLOOD PRESSURE

Normal systolic blood pressure is a function of age. For a woman, the normal systolic pressure, in millimeters of mercury (mm Hg) is modeled by the equations:

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1. Enter the above equation in Y=

2. Set the WINDOW so the graph will fit on the calculator screen.

X-min_______0_________ x=age

X-max____100___________

X-scl______5___________

Y-min_____0___________

Y-max_____200___________

Y-scl_____5____________ y=blood pressure reading

3. Turn PLOTS OFF. Go to GRAPH. If the graph does not fit on the screen, adjust the WINDOW.

4. Label and sketch the graph below. (Make a table of values to plot)

X Y

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5. Describe what happens to the normal systolic pressure as a woman ages.

6. What is the normal systolic pressure of an 18 year old woman? Use TABLESET. TABLE. (If x=18, y=?)

7. What is the age of woman whose normal systolic pressure is 125 mm Hg.?

(if x=?, y=125)

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