Is {(-1, 1), (-2,3), (-3,5), (-4,7), (-5,9)}
A function please help:)

Consider the function f(x)=-5x+3 what is f(-2)

What is the range? can’t seem to find it out

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)