Answer:
The answer is x = 2.
Step-by-step explanation:
7x + 3 = 2x + 13
5x + 3 = 13
5x = 10
x = 2
-3 -3
-------------------------
7x = 2x + 10
-2x -2x
--------------------------
/5 /5
Hope this helped!
[-1, ∞ )
The use of parentheses is essential here. I am assuming that you meant:
y=√(x-5) - 1
Note that √(x-5) has the range [0, ∞ ). The domain is [5, ∞ ).
Thus, y=√(x-5) - 1 has the range [-1, ∞ )
6.85 oz
13.7 ÷ 2 = 6.85
