Intro to Functions & Function Notation
Which table does not represent y as a function of x? Which graphs represent y as a function of x? (two correct answers) If f(x) = x2 + 3x + 2, what is the value of f(-4)? 6 30 -26 16 If f(x) = x3 + x - 1, what is the value of f(-2)? -11 5 9 17 If f(x) = 3x + 7, what is the value of f(5)? 14 -6 22 9 If f(x) = x2 + 7x + 10, what is f(3)? Show your work in the space below.