consider-the-quadratic-function-fx4x232xfleftxright-4x232x-calculate-the-slopes-

Question

Consider the quadratic function $f\left(x\right)=-4x^2+32x$ . Calculate the slopes of the secant lines between the points $\left(x,f\left(x\right)\right)$ and $\left(4,f\left(4\right)\right)$ , for $x=3.5,3.9,3.99,3.999$ .

Graph showing the quadratic function f(x) and secant lines at points (x, f(x)) and (4, f(4)).

Accepted Answer

2, 0.4, 0.04, 0.004

Answer

6, 0.3, 0.03, 0.003

Answer

10, 0.5, 0.05, 0.005

Answer

12, 0.8, 0.06, 0.003