Answer:
Step-by-step explanation:
We need to sum the following two expressions:
expanding the polynomial in the numerator:
This is the most simplified form we can get:
Answer: 19/5
Step-by-step explanation:
Answer:
f(a + 2) = 3a + 21
Step-by-step explanation:
f(x) = 3(x+5)
x = a + 2
f(a + 2) = 3(a + 2 + 5)
f(a + 2) = 3(a + 7)
f(a + 2) = 3a + 21