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) $y = \llbracket 4 x + 5 \rrbracket$

Question

Quizplus · Accepted Answer

The correct expression for the cost of renting a video tape for $x$ days, where the first day costs $5 and each additional day costs $4, is $y = 4[x - 1] + 5$. This accounts for the initial $5 charge and adds $4 for each day after the first.

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

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