Question

The function f is defined as follows.

f(x) =5x² +8
If the graph off is translated vertically downward by 5 units, it becomes the graph of a function g.
Find the expression for g(x).

Answer 1

g(x) = 5x² + 3

Explanation:

8 units are added directly to each input so just subtract 5 from that to get + 3.