Question

If f(x)=6x^2-1 then what is f(4)

Answer 1

From the problem, we have a function of :

`f(x)=6x^2-1`

To find the value of f(4), substitute x = 4

`\begin{gathered} f(4)=6(4)^2-1 \\ \Rightarrow6(16)-1 \\ \Rightarrow96-1 \\ \Rightarrow95 \end{gathered}`

The answer is 95