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What is relative change? How do you catcul
19. The body mass index (BMI) is a measure of body fat based on height and weight. For Tim's height, a weight of
147 lb results in a BMI of 23.4. A weight of 185 lb would result in a BMI of 29.5. We want to find a linear equation
that relates a weight ofx
Example Problems for Final Exam Review
6. Adult lQ scores (as measured by the Wechsler test) are normally distributed with a mean of
100 and a standard deviation of 15.
a. (2 points) Fill in the blanks below the normal curve with the appropriate informati
20. My sister owns a Sands Drywall. They've recently purchased a new paint sprayer for $8000. The value of the
paint sprayer will decrease by 15.7% each year. Write an equation for the value ofthe sprayer after xyears.
21. Completing graduate work is a co
9, we . . _
Linear vs. Quadratic vs. Exponential
Linear Equations: y = mx+b where m is the slope and b is the y coordinate of the y-intercept
Quadratic Equations: y= ax2 + bx + C where a is nonzero and is always attached to an x2
(side note: if a is po