Question

How do you find `g(5)` given `g(x)=x^3+5x`?

Answer 1

`150`

Explanation:

To evaluate g(5), substitute x = 5 into g(x)

`g(color(red)(5))=color(red)(5)^3+(5xxcolor(red)(5))`

`color(white)(xxx)=125+25=150`