Question

Let f(x) = 4x + 3 to evaluate f(x) – f(4).f(x) – f(4)Du0Enter your answer in the answer box and then click Chool

Answer 1

To evalauate the function below:

`\begin{gathered} f(x)-f(4) \\ f(x)=4x+3 \end{gathered}`
`\begin{gathered} f(x)=4x+3 \\ f(x)-f(4)=4x+3-(4(4)+3) \\ =\text{ 4x+3-19} \\ =4x-16 \end{gathered}`

Hence the correct value = 4x-16