The formula
C = 5
9
(F - 32)
expresses the relationship between Fahrenheit temperature, F,
and Celsius temperature, C. In Exercises 17–18, use the formula
to convert the given Fahrenheit temperature to its equivalent
temperature on the Celsius scale.
17. 50F 18. 86F
A football was kicked vertically upward from a height of 4 feet
with an initial speed of 60 feet per second. The formula
h = 4 + 60t - 16t
2