This table represents a function. is this statement true or false?

input (x) 1 1 2 2 3
output (y) 3 5 7 9 11
true
false

Which expression is equivalent to 2x^2+7x+4?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)