Question

A function is defined by f(x) =6x+1.5. What is f(2.5)?

Answer 1

16.5

Explanation:

So we have the function:

`f(x)=6x+1.5`

To find f(2.5), substitute 2.5 for x. Thus:

`f(2.5)=6(2.5)+1.5`

Multiply:

`f(2.5)=15+1.5`

Add:

`f(2.5)=16.5`

And we're done!