Rational functions

hours. After him, the same route took several other drivers. (Each driver took a different driving time.) Choose the function giving the average speed

v

of each of these drivers as a function of the total driving time

t

from Ostrava to Warsaw.

v = \frac{396}{t}, t \in (0; \infty)

v = \frac{66}{t}, t \in (0; \infty)

v = 66 t, t \in (0; \infty)

v = \frac{t}{396}, t \in (0; \infty)

2000018803

Level:

Given the function

f (x) = \frac{5}{x}

, find the function

g

such that the graphs of

f

and

g

are symmetric about the line

y = - x

g (x) = \frac{5}{x}

g (x) = 5 x

g (x) = - \frac{5}{x}

g (x) = - 5 x

2000018802

Level:

Given the function

f (x) = \frac{6}{x}

, evaluate

\frac{f (- 3)}{f (2)}

- \frac{2}{3}

- 6

- \frac{3}{2}

- \frac{1}{6}

Linear Rational Function Value

7400200039

Monotonicity of Rational Functions

7400100039

Rational Function and Its Asymptotes

Ranges of Rational Functions

2000018804

2000018805

2000018803

2000018802

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