2 Corey and Frank drove at constant speeds. Corey drove twice as fast as Frank.
a
time
miles
Which line represents Frank?
Which line represents Corey? Line a
Line b

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2