88.9k views
0 votes
Help asap i raised to 15 points so plz help and i want clear answer The rental rate for a cement mixer has a flat rate of $40 plus $20 for each day of the rental. The graph shows points representing the total cost of the rental.

Which linear equation, in slope-intercept form, that models the total cost of the rental over time?

a y=x+50

b y=25x

c y=20x+40

d y=50x+25

e y=75x

Help asap i raised to 15 points so plz help and i want clear answer The rental rate-example-1
User Smolda
by
7.3k points

2 Answers

3 votes
Im not really good at these but i do think it is c. Sorry im not 100% sure.
User Bram Verstraten
by
8.2k points
4 votes
Well, the formula for that is y=mx+b, so we know b and e are invalid. The slope is 20, so the answer should be c.
Hope this helps!
User Zart
by
7.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.