131. Let f(x) = x * e^(−x).
b. Find all inflection points for f.

91. [Technology Exercise] 91. The continuous extension of to (sin x)^x to [0, π]

b. Verify your conclusion in part (a) by finding lim(x→0⁺)f(x) with l’Hôpital’s Rule.

2. Express the following logarithms in terms of ln 5 and ln 7.

b. ln 9.8

In Exercises 1–4, solve for t.

2. b. e^(kt) = 10

Use reference triangles in an appropriate quadrant to find the angles in Exercises 1–8.

2. b. tan^(-1)(√3)

1. Express the following logarithms in terms of ln 2 and ln 3.

b. ln(4/9)

Suppose that the function f and its derivative with respect to x have the following values at x=0, 1, 2, 3, and 4.

Assuming the inverse function f^(-1) is differentiable, find the slope of f^(-1)(x) at

b. x=2