Question

evaluate the function at the given values of x, if possible.
f(x)=7x^2-1 over x^2
a. x=3 b. x=-1

Answer 1

replace x by the number and do the arithmetic. for the first one start with
\[f(3)=\frac{7\times 3^2-1}{3^2}\]

Answer 2

can you help me solve