The graph of a linear function is shown on the coordinate grid. (-4,5)
(1, -7.5)
What is the y-intercept of the graph of the linear function?

Find the vertex of the function given below y=x^2-6x+1

What expression is equivalent to log3(x+4)

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same