Solve the problem.
-The charges for renting a moving van are

\$ 50

for the first 20 miles and

\$ 8

for each additional mile. Assume that a fraction of a mile is rounded up. (i) Determine the cost of driving the van 88 miles.
(ii) Find a symbolic representation for a function

\mathrm { f }

that computes the cost of driving the van

\mathrm { x }

miles, where

0 < x \leq 100

. (Hint: express

\mathrm { f }

as a piecewise-constant function.)
A)

\$ 594 ; f ( x ) = \left\{ \begin{array} { l l } 50 & \text { if } 0 < x \leq 20 \\ 50 + 8 ( x - 20 ) & \text { if } 20 < x \leq 100 \end{array} \right.

\$ 4944 ; f ( x ) = \left\{ \begin{array} { l l } 50 x & \text { if } 0 < x \leq 20 \\ 50 + 8 ( x - 20 ) & \text { if } 20 < x \leq 100 \end{array} \right.

C)$914;

f ( x ) = \left\{ \begin{array} { l l } 50 & \text { if } 0 < x \leq 20 \\ 50 + 8 ( x + 20 ) & \text { if } 20 < x \leq 100 \end{array} \right.

\$ 914 ; f ( x ) = \left\{ \begin{array} { l l } 50 & \text { if } 0 < x \leq 20 \\ 50 + 8 ( x - 20 ) & \text { if } 20 < x \leq 100 \end{array} \right.

Graph the Equation by Plotting Points y=x3−2y=x^{3}-2y=x3−2 A) B) C) D)

Multiple Choice

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Graph the Equation by Plotting Points $\$ 594 ; f ( x ) = \left\{ \begin{array} { l l } 50 & \text { if } 0 < x \leq 20 \\ 50 + 8 ( x - 20 ) & \text { if } 20 < x \leq 100 \end{array} \right.$ A)

B)

C)

D)

Correct Answer:
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