Questions from General Calculus

Q: The expressions in Exercises 83–88 may be factored as shown

The expressions in Exercises 83–88 may be factored as shown. Find the missing factors. √ (x/y) - √ (y/x) = √xy ( )

Q: The expressions in Exercises 83–88 may be factored as shown

The expressions in Exercises 83–88 may be factored as shown. Find the missing factors. Explain why √a * √b = √(ab).

Q: The expressions in Exercises 83–88 may be factored as shown

The expressions in Exercises 83–88 may be factored as shown. Find the missing factors. Explain why √a/√b = √ (a/b).

Q: Evaluate f (4). f (x) = x2

Evaluate f (4). f (x) = x2

Q: Let f (x) = x / x - 2,

Let f (x) = x / x - 2, g(x) = 5 – x / 5 + x, and h(x) = x + 1 / 3x - 1. Express the following as rational functions. f (t) - h(t)

Q: Evaluate f (4). f (x) = x3

Evaluate f (4). f (x) = x3

Q: Evaluate f (4). f (x) = x

Evaluate f (4). f (x) = x-1

Q: Evaluate f (4). f (x) = x1

Evaluate f (4). f (x) = x1/2

Q: Draw the following intervals on the number line. [

Draw the following intervals on the number line. [ -2, √2)

Q: Decide which curves are graphs of functions. /

Decide which curves are graphs of functions.