f(x)=-3+8x^2 whats the value of f(5)

To find the value of f(5), we substitute 5 in place of x in the given function:

f(5) = -3 + 8(5)^2

Simplifying further:

f(5) = -3 + 8(25)

f(5) = -3 + 200

f(5) = 197

Therefore, the value of f(5) is 197.