x = 2(x+2) + 3(x-1) = 3x + 7
2x + 4 + 3x -3 = 3x + 7
2x + 3x - 3x = 7 - 4 + 3
2x = 6
x = 3
For this case we have the following expression:

We must find the value of the expression when:

Substituting the values in the expression we have:

Thus, the value of the expression is 2.
Answer:
The value of the expression is 2
Option A
I believe it should be 1.296 miles
Average rate of change implies the quotient f(4)-f(a)/4-a which equals (1/2-a/2)/4-a=(1-a)/(8-2a) on (4,a)
Answer:
-8x-6 or -8x+-6.
Step-by-step explanation: