Use the graph of the function to find its domain and range. Write the domain and range in interval notation
1 answer:
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Answer:
Step-by-step explanation:
Distance traveled in hours =
Distance traveled in 1 hour = ÷
÷
distance traveled in 3 1/5 hours =
=
Answer:
x = 4
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 1² = 9²
x² + 1 = 81 ( subtract 1 from both sides )
x² = 80 ( take square root of both sides )
x = =
=
×
= 4