Question

Evaluate f(4): f(x)=2.2x+1.9

Answer 1

Given

`f(x)=2.2x+1.9`

For f(4) you have to calculate the value of the function when x=4.

To do so, replace the value in the formula and calculate

`\begin{gathered} f(4)=2.2\cdot4+1.9 \\ f(4)=10.7 \end{gathered}`

So for x=4, f(x)=10.7