Graph the Function $\$ 5$ Per Day for Renting a Video Tape, and Then

Graph the function.
-A video rental company charges $\$ 5$ per day for renting a video tape, and then $\$ 4$ per day after the first. Use the greatest integer function and write an expression for renting a video tape for $\mathrm { x }$ days.

A) $y + 5 = 4 [ x ]$
B) $y = 4 x + 5$
C) $y = 4 \llbracket x - 1 ] + 5$
D) $y = \llbracket 4 x + 5 \rrbracket$

Correct Answer:

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