Talib is trying to find the inverse of the function to the right. his work appears beneath it. is his work correct? explain your answer.

f(x) = negative 8 x + 4. y = negative 8 x + 4. y minus 4 = negative 8 x. x = (y minus 4) divided by negative 8. f subscript negative 1 baseline (x) = (y minus 4) divided by negative 8.

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out