Luis wants to buy a skateboard that costs $89.99. He has $30 saved. He wants to save $11 each week until he has enough money to pay for the skateboard. What is the least number of weeks Luis has to save until he has enough money to pay for the skateboard? Group of answer choices

first you would have to subtract $89.99 - $30 to get $69.99 then multiply 11 x 7 to get 77. the answer is 7 weeks

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.