Question: the function f is defined for all numbers gre?
Answer: The function f is defined for all numbers x by f (x) = x2 + The function \(f\) is defined for all numbers \(x\) by \(f(x) = x^2 + x\). If t is a number such that \(f(2t) = 30\), which two of the following could be the number \(t\) ? Indicate two such numbers.