Answer:
4a + 4
Step-by-step explanation:
f(x) = x² + 2
f(a) = a² + 2
f(a+2) = (a+2)² + 2
f(a+2) − f(a) = (a+2)² + 2 − (a² + 2)
f(a+2) − f(a) = a² + 4a + 4 + 2 − a² − 2
f(a+2) − f(a) = 4a + 4
Answer:
Step-by-step explanation:
3 9 . 8 5 7
3 9 . 8 5 7
Answer:
1. 72 
3. 79 
Step-by-step explanation:
The mean is found by dividing the sum of the inputs by the total number of inputs.
2/3(4/3)= 8/9
Jovan ran 8/9 of a mile in a full hour.
Hope this helps!