Answer:
-2a + 3
Step-by-step explanation:
We can substitute a + 7 for x:
f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3
The answer is D 105 because i know
Answer:
Step-by-step explanation:
Using the midpoint formula, 
, we can find the coordinates that represents the position of the ship at noon.
Let 
(given on the coordinate plane)
(given also)
Plug in the values into the formula and solve as follows:
Position of the ship at noon is best represented at
Answer: Function, not a function, Function, not a function
Step-by-step explanation:
For it to be a function, each value of x has to map onto one value of y.
- This is a function.
- Not a function since x=-1 has more than one y value.
- This is a function
- Not a function since x=-6 has more than one y value.
50% of 620 is half of 620.
Writing 50% of 620 is 50%. (Or 310 if you wanted to know half of 620)
