4x + 6y - 10 = 0 and 2x + 3y = 5
(-1,3)
(3, -1)
no solutions
Infinite solutions

Is this a polynomial function? i need to know asap

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?