Question

If y(x) = 3(x+5) +-, what is
a + 2)?

Answer 1

f(a + 2) = 3a + 21

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