The table shows the outputs y for different inputs x:

input
(x) 2 4 6 8
output
(y) 1 2 3 4

part a: do the data in this table represent a function? justify your answer.
part b: compare the data in the table with the relation f(x) = 3x – 10. which relation has a greater value when x = 8?
part c: using the relation in part b, what is the value of x if f(x) = 80?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis